# Japan at the 2018 Asian Games

Japan participated in the 2018 Asian Games as a competing nation, in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.

## Medalists

| Medal | Name | Sport | Event | Date |
| Gold | Satomi Suzuki | Swimming | Women's 100 m breaststroke | 19 Aug |
| Gold | Daiya Seto | Swimming | Men's 200 m butterfly | 19 Aug |
| Gold | Rikako Ikee Natsumi Sakai Tomomi Aoki Chihiro Igarashi Mayuka Yamamoto Rio Shirai | Swimming | Women's 4 × 100 m freestyle relay | 19 Aug |
| Gold | Masanao Takahashi Shunsuke Terui Kazuki Sado Akane Kuroki | Equestrian | Team dressage | 20 Aug |
| Gold | Naito Ehara Reo Sakata Kosuke Hagino Katsuhiro Matsumoto Juran Mizohata Ayatsugu Hirai Yuki Kobori | Swimming | Men's 4 × 200 m freestyle relay | 20 Aug |
| Gold | Rikako Ikee | Swimming | Women's 50 m butterfly | 20 Aug |
| Gold | Rikako Ikee | Swimming | Women's 100 m freestyle | 20 Aug |
| Gold | Kanako Watanabe | Swimming | Women's 200 m breaststroke | 20 Aug |
| Gold | Yui Ohashi | Swimming | Women's 400 m individual medley | 21 Aug |
| Gold | Yasuhiro Koseki | Swimming | Men's 200 m breaststroke | 21 Aug |
| Gold | Rikako Ikee | Swimming | Women's 100 m butterfly | 21 Aug |
| Gold | Shinobu Ota | Wrestling | Men's Greco-Roman 60 kg | 21 Aug |
| Gold | Takuya Haneda | Canoeing | Men's slalom C-1 | 22 Aug |
| Gold | Aki Yazawa | Canoeing | Women's slalom K-1 | 22 Aug |
| Gold | Akane Yamaguchi Arisa Higashino Aya Ohori Ayaka Takahashi Koharu Yonemoto Misaki Matsutomo Nozomi Okuhara Sayaka Hirota Sayaka Sato Yuki Fukushima | Badminton | Women's team | 22 Aug |
| Gold | Yasuhiro Koseki | Swimming | Men's 100 m breaststroke | 22 Aug |
| Gold | Koki Kano Kazuyasu Minobe Satoru Uyama Masaru Yamada | Fencing | Men's team épée | 22 Aug |
| Gold | Daiya Seto | Swimming | Men's 400 m individual medley | 22 Aug |
| Gold | Natsumi Sakai | Swimming | Women's 100 m backstroke | 22 Aug |
| Gold | Katsuhiro Matsumoto Juran Mizohata Katsumi Nakamura Shinri Shioura | Swimming | Men's 4 × 100 m freestyle relay | 22 Aug |
| Gold | Shusaku Asato Tomoyuki Sasaki Shogo Wada | Bowling | Men's trios | 23 Aug |
| Gold | Sera Azuma Karin Miyawaki Komaki Kikuchi Sumire Tsuji | Fencing | Women's team foil | 23 Aug |
| Gold | Satomi Suzuki | Swimming | Women's 50 m breaststroke | 23 Aug |
| Gold | Shinri Shioura | Swimming | Men's 100 m freestyle | 23 Aug |
| Gold | Natsumi Sakai Satomi Suzuki Rikako Ikee Tomomi Aoki Anna Konishi Reona Aoki Ai Soma Sakiko Shimizu | Swimming | Women's 4 × 100 m medley relay | 23 Aug |
| Gold | Masayuki Miyaura Masahiro Takeda | Rowing | Men's lightweight double sculls | 24 Aug |
| Gold | Yukiko Ueno Yukari Hamamura Yamato Fujita Haruka Agatsuma Saori Yamauchi Mana Atsumi Kyoko Ishikawa Yuka Ichiguchi Hitomi Kawabata Natsuko Sugama Minori Naito Yu Yamamoto Misato Kawano Nozomi Nagasaki Nodoka Harada Saki Yamazaki Eri Yamada | Softball | Women's team | 24 Aug |
| Gold | Rikako Ikee | Swimming | Women's 50 m freestyle | 24 Aug |
| Gold | Yasuhiro Koseki | Swimming | Men's 50 m breaststroke | 24 Aug |
| Gold | Hiroto Inoue | Athletics | Men's marathon | 25 Aug |
| Gold | Yoshitaku Nagasako | Cycling | Men's BMX race | 25 Aug |
| Gold | Kiyou Shimizu | Karate | Women's individual kata | 25 Aug |
| Gold | Ryo Kiyuna | Karate | Men's individual kata | 25 Aug |
| Gold | Ayumi Uekusa | Karate | Women's kumite +68 kg | 25 Aug |
| Gold | Keita Nakajima | Golf | Men's individual | 26 Aug |
| Gold | Keita Nakajima Ren Yonezawa Daiki Imano Takumi Kanaya | Golf | Men's team | 26 Aug |
| Gold | Akiyo Noguchi | Sport climbing | Women's combined | 26 Aug |
| Gold | Yoshiaki Oiwa | Equestrian | Individual eventing | 26 Aug |
| Gold | Takayuki Yumira Kenta Hiranaga Ryuzo Kitajima Yoshiaki Oiwa | Equestrian | Team eventing | 26 Aug |
| Gold | Keisuke Ushiro | Athletics | Men's decathlon | 26 Aug |
| Gold | Takaharu Furukawa Tomomi Sugimoto | Archery | Mixed team recurve | 27 Aug |
| Gold | Mirai Ishimoto | Bowling | Women's masters | 27 Aug |
| Gold | Ryutaro Araga | Karate | Men's kumite 84 kg | 27 Aug |
| Gold | Noa Takahashi | Soft tennis | Women's singles | 29 Aug |
| Gold | Sakura Yosozumi | Roller sports | Women's park | 29 Aug |
| Gold | Yoshiaki Hirokawa Takuo Iwasaki Taro Kamiyama Yoshiki Kuremoto Yoshiaki Nakagawa | Paragliding | Men's team cross-country | 29 Aug |
| Gold | Kensuke Sasaoka | Roller sports | Men's park | 29 Aug |
| Gold | Keyaki Ike | Roller sports | Men's street | 29 Aug |
| Gold | Natsumi Tsunoda | Judo | Women's 52 kg | 29 Aug |
| Gold | Yumi Kajihara | Cycling | Women's omnium | 29 Aug |
| Gold | Seito Yamamoto | Athletics | Men's pole vault | 29 Aug |
| Gold | Yuki Koike | Athletics | Men's 200 m | 29 Aug |
| Gold | Hayato Katsuki | Athletics | Men's 50 km walk | 30 Aug |
| Gold | Momo Tamaoki | Judo | Women's 57 kg | 30 Aug |
| Gold | Shohei Ono | Judo | Men's 73 kg | 30 Aug |
| Gold | Nami Nabekura | Judo | Women's 63 kg | 30 Aug |
| Gold | Saki Niizoe | Judo | Women's 70 kg | 30 Aug |
| Gold | Eiya Hashimoto | Cycling | Men's omnium | 30 Aug |
| Gold | Ryota Yamagata Shuhei Tada Yoshihide Kiryū Asuka Cambridge | Athletics | Men's 4 × 100 m relay | 30 Aug |
| Gold | Yuko Takahashi | Triathlon | Women's individual | 31 Aug |
| Gold | Tetsuya Isozaki Akira Takayanagi | Sailing | Men's 470 | 31 Aug |
| Gold | Shingen Furuya Shinji Hachiyama | Sailing | Men's 49er | 31 Aug |
| Gold | Ai Yoshida Miho Yoshioka | Sailing | Women's 470 | 31 Aug |
| Gold | Manami Doi | Sailing | Women's laser radial | 31 Aug |
| Gold | Ruika Sato | Judo | Women's 78 kg | 31 Aug |
| Gold | Kentaro Iida | Judo | Men's 100 kg | 31 Aug |
| Gold | Akira Sone | Judo | Women's +78 kg | 31 Aug |
| Gold | Sakiko Ikeda Risa Shimizu Aya Sameshima Shiori Miyake Hikari Takagi Saori Ariyoshi Emi Nakajima Mana Iwabuchi Yuika Sugasawa Yuka Momiki Mina Tanaka Rika Masuya Yu Nakasato Yui Hasegawa Moeno Sakaguchi Rin Sumida Aimi Kunitake Ayaka Yamashita | Football | Women's tournament | 31 Aug |
| Gold | Megumi Kageyama Natsuki Naito Akiko Ota Emi Nishikori Shihori Oikawa Kimika Hoshi Mayumi Ono Yukari Mano Akiko Kato Hazuki Nagai Minami Shimizu Yuri Nagai Aki Yamada Maho Segawa Yui Ishibashi Mami Karino Motomi Kawamura Akio Tanaka | Field hockey | Women's tournament | 31 Aug |
| Gold | Jumpei Furuya | Triathlon | Men's individual | 1 Sep |
| Gold | Misaki Hangai Riko Hayashida Rurika Kuroki Kurumi Onoue Noa Takahashi | Soft tennis | Women's team | 1 Sep |
| Gold | Masashi Ebinuma Shohei Ono Mashu Baker Yusuke Kobayashi Kokoro Kageura Takeshi Ojitani Haruka Funakubo Momo Tamaoki Saki Niizoe Shiho Tanaka Akira Sone Sara Yamamoto | Judo | Mixed team | 1 Sep |
| Gold | Koji Yamasaki Genki Mitani Seren Tanaka Hiromasa Ochiai Kazuma Murata Suguru Hoshi Kenta Tanaka Kenji Kitazato Manabu Yamashita Kaito Tanaka Kentaro Fukuda Masaki Ohashi Shota Yamada Yusuke Takano Hirotaka Zendana Takashi Yoshikawa Kota Watanabe Yoshiki Kirishita | Field hockey | Men's tournament | 1 Sep |
| Gold | Chiharu Nakamura Noriko Taniguchi Raichel Bativakalolo Yume Okuroda Fumiko Otake Riho Kurogi Tomomi Kozasa Iroha Nagata Yukari Tateyama Yume Hirano Ano Kuwai Emii Tanaka | Rugby sevens | Women's tournament | 1 Sep |
| Gold | Yuka Sato Jumpei Furuya Yuko Takahashi Yuichi Hosoda | Triathlon | Mixed relay | 2 Sep |
| Silver | Katsuhiro Matsumoto | Swimming | Men's 200 m freestyle | 19 Aug |
| Silver | Natsumi Sakai | Swimming | Women's 200 m backstroke | 19 Aug |
| Silver | Ryosuke Irie | Swimming | Men's 100 m backstroke | 19 Aug |
| Silver | Reona Aoki | Swimming | Women's 100 m breaststroke | 19 Aug |
| Silver | Nao Horomura | Swimming | Men's 200 m butterfly | 19 Aug |
| Silver | Daichi Takatani | Wrestling | Men's freestyle 65 kg | 19 Aug |
| Silver | Shogo Nonomura | Gymnastics | Men's artistic individual all-around | 20 Aug |
| Silver | Shogo Takeda | Swimming | Men's 800 m freestyle | 20 Aug |
| Silver | Ryosuke Irie | Swimming | Men's 50 m backstroke | 20 Aug |
| Silver | Kosuke Hagino | Swimming | Men's 200 m individual medley | 20 Aug |
| Silver | Yuki Irie | Wrestling | Women's freestyle 50 kg | 20 Aug |
| Silver | Tomoyuki Matsuda | Shooting | Men's 10 m air pistol | 21 Aug |
| Silver | Katsumi Nakamura | Swimming | Men's 50 m freestyle | 21 Aug |
| Silver | Ippei Watanabe | Swimming | Men's 200 m breaststroke | 21 Aug |
| Silver | Naito Ehara | Swimming | Men's 400 m freestyle | 21 Aug |
| Silver | Hiroe Minagawa | Wrestling | Women's freestyle 76 kg | 21 Aug |
| Silver | Tomomi Aoki Chihiro Igarashi Rikako Ikee Rio Shirai | Swimming | Women's 4 × 200 m freestyle relay | 21 Aug |
| Silver | Tomohiro Araya | Wushu | Men's taijiquan and taijijian | 22 Aug |
| Silver | Kenta Chiba Tomomasa Hasegawa Fuya Maeno Shogo Nonomura Kakeru Tanigawa | Gymnastics | Men's artistic team all-around | 22 Aug |
| Silver | Sachi Mochida | Swimming | Women's 200 m butterfly | 22 Aug |
| Silver | Kosuke Hagino | Swimming | Men's 400 m individual medley | 22 Aug |
| Silver | Anna Konishi | Swimming | Men's 100 m backstroke | 22 Aug |
| Silver | Ryosuke Irie Yasuhiro Koseki Rikako Ikee Tomomi Aoki | Swimming | Mixed 4 × 100 m medley relay | 22 Aug |
| Silver | Fumiyuki Beppu | Cycling | Men's road race | 23 Aug |
| Silver | Kazuya Adachi | Canoeing | Men's slalom K-1 | 23 Aug |
| Silver | Katsumi Nakamura | Swimming | Men's 100 m freestyle | 23 Aug |
| Silver | Shogo Nonomura | Gymnastics | Men's rings | 23 Aug |
| Silver | Ryosuke Irie | Swimming | Men's 200 m backstroke | 23 Aug |
| Silver | Eri Yonamine | Cycling | Women's road time trial | 24 Aug |
| Silver | Ryosuke Irie Yasuhiro Koseki Yuki Kobori Shinri Shioura Masaki Kaneko Ippei Watanabe Nao Horomura Katsumi Nakamura | Swimming | Men's 4 × 100 m medley relay | 24 Aug |
| Silver | Yui Ohashi | Swimming | Women's 200 m individual medley | 24 Aug |
| Silver | Keiko Nogami | Athletics | Women's marathon | 26 Aug |
| Silver | Kokoro Fujii | Sport climbing | Men's combined | 26 Aug |
| Silver | Kiho Miyashita Norika Konno Ririka Okuyama Stephanie Mawuli | Basketball | Women's 3-on-3 | 26 Aug |
| Silver | Miki Ishii Megumi Murakami | Volleyball | Women's beach | 27 Aug |
| Silver | Misaki Matsutomo Ayaka Takahashi | Badminton | Women's doubles | 27 Aug |
| Silver | Yukiko Inui Megumu Yoshida | Artistic swimming | Women's duet | 28 Aug |
| Silver | Taizo Sugitani Shota Ogomori Daisuke Fukushima Toshiki Masui | Equestrian | Team jumping | 28 Aug |
| Silver | Ryo Chikatani | Cycling | Men's individual pursuit | 29 Aug |
| Silver | Toshikazu Yamanishi | Athletics | Men's 20 km walk | 29 Aug |
| Silver | Kaya Isa | Roller sports | Women's park | 29 Aug |
| Silver | Keiko Hiraki Nao Mochizuki Atsuko Yamashita | Paragliding | Women's team cross-country | 29 Aug |
| Silver | Kaya Isa | Roller sports | Women's street | 29 Aug |
| Silver | Juka Fukumura Yukiko Inui Moeka Kijima Okina Kyogoku Kei Marumo Kano Omata Mayu Tsukamoto Mashiro Yasunaga Megumu Yoshida | Artistic swimming | Women's team | 29 Aug |
| Silver | Ami Kondo | Judo | Women's 48 kg | 29 Aug |
| Silver | Toru Shishime | Judo | Men's 60 kg | 29 Aug |
| Silver | Joshiro Maruyama | Judo | Men's 66 kg | 29 Aug |
| Silver | Hikaru Mori | Gymnastics | Women's trampoline | 30 Aug |
| Silver | Tomohiro Fukaya | Cycling | Men's sprint | 30 Aug |
| Silver | Yudai Nitta | Cycling | Men's keirin | 31 Aug |
| Silver | Yuki Sato Seiya Takano Takeshi Terashima Toshitaka Naito Hirokazu Kobayashi Masanori Hayashi | Sepak takraw | Men's quadrant | 1 Sep |
| Silver | Hayato Funemizu Taimei Marunaka Kento Masuda Koichi Nagae Toshiki Uematsu | Soft tennis | Men's team | 1 Sep |
| Silver | Koji Chikamoto Jumpei Horimai Sho Aoyagi Shoji Kitamura Momotaro Matsumoto Asahi Sato Tsuyoshi Tamura Michiori Okabe Shohei Morishita Junya Kino Yuichiro Okano Yuki Jibiki Yudai Aranishi Isamu Usui Makoto Hori Takumi Takahashi Katsutoshi Satake Akiyoshi Katsuno Takehiro Tsujino Kohei Sasagawa Ryo Kinami Ryoga Tomiyama Takeshi Hosoyamada | Baseball | Men's tournament | 1 Sep |
| Silver | Katsuyuki Tanamura Seiya Adachi Harukiirario Koppu Mitsuaki Shiga Takuma Yoshida Atsuto Iida Takumu Miyazawa Mitsuru Takata Atsushi Arai Yusuke Inaba Keigo Okawa Kenta Araki Tomoyoshi Fukushima | Water polo | Men's tournament | 1 Sep |
| Silver | Ryosuke Kojima Yoichi Naganuma Makoto Okazaki Ko Itakura Daiki Sugioka Ryo Hatsuse Teruki Hara Kaoru Mitoma Reo Hatate Koji Miyoshi Keita Endo Powell Obinna Obi Yuto Iwasaki Taishi Matsumoto Ayase Ueda Kota Watanabe Yuta Kamiya Daizen Maeda Takuma Ominami Yugo Tatsuta | Football | Men's tournament | 1 Sep |
| Silver | Lote Tuqiri Tevita Tupou Taisei Hayashi Rikiya Oishi Kameli Soejima Dai Ozawa Katsuyuki Sakai Keisuke Shin Ryota Kano Kosuke Hashino Chihito Matsui Naoki Motomura | Rugby sevens | Men's tournament | 1 Sep |
| Bronze | Waka Kobori | Swimming | Women's 1500 m freestyle | 19 Aug |
| Bronze | Norika Tamura | Fencing | Women's individual sabre | 19 Aug |
| Bronze | Koki Kano | Fencing | Men's individual épée | 19 Aug |
| Bronze | Yuki Takahashi | Wrestling | Men's freestyle 57 kg | 19 Aug |
| Bronze | Yuhi Fujinami | Wrestling | Men's freestyle 74 kg | 19 Aug |
| Bronze | Sergio Suzuki | Taekwondo | Men's 58 kg | 20 Aug |
| Bronze | Sera Azuma | Fencing | Women's individual foil | 20 Aug |
| Bronze | Reona Aoki | Swimming | Women's 200 m breaststroke | 20 Aug |
| Bronze | Haruna Okuno | Wrestling | Women's freestyle 53 kg | 20 Aug |
| Bronze | Katsuki Sakagami | Wrestling | Women's freestyle 57 kg | 20 Aug |
| Bronze | Risako Kawai | Wrestling | Women's freestyle 62 kg | 20 Aug |
| Bronze | Takayuki Matsumoto | Shooting | Men's 50 m rifle three positions | 21 Aug |
| Bronze | Minami Shioya Yumi Arima Akari Inaba Shino Magariyama Chiaki Sakanoue Minori Yamamoto Maiko Hashida Yuki Niizawa Kana Hosoya Misaki Noro Marina Tokumoto Kotori Suzuki Miyuu Aoki | Water polo | Women's tournament | 21 Aug |
| Bronze | Kento Momota Kenta Nishimoto Kazumasa Sakai Kanta Tsuneyama Takeshi Kamura Keigo Sonoda Takuto Inoue Yuki Kaneko Yuta Watanabe Takuro Hoki | Badminton | Men's team | 21 Aug |
| Bronze | Natsumi Sakai | Swimming | Women's 50 m backstroke | 21 Aug |
| Bronze | Shunichi Nakao | Swimming | Men's 50 m freestyle | 21 Aug |
| Bronze | Sakiko Shimizu | Swimming | Women's 400 m individual medley | 21 Aug |
| Bronze | Kosuke Hagino | Swimming | Men's 400 m freestyle | 21 Aug |
| Bronze | Eri Yonamine | Cycling | Women's road race | 22 Aug |
| Bronze | Chika Aoki Shihomi Fukushima Risa Takashima Norika Tamura | Fencing | Women's team sabre | 22 Aug |
| Bronze | Soyoka Hanawa Shiho Nakaji Yumika Nakamura Yuki Uchiyama Yurika Yumoto | Gymnastics | Women's artistic team all-around | 22 Aug |
| Bronze | Yuki Kobori | Swimming | Men's 100 m butterfly | 22 Aug |
| Bronze | Chihiro Igarashi | Swimming | Women's 200 m freestyle | 22 Aug |
| Bronze | Suzuka Hasegawa | Swimming | Women's 200 m butterfly | 22 Aug |
| Bronze | Arata Sonoda | Wrestling | Men's Greco-Roman 130 kg | 22 Aug |
| Bronze | Ryuta Arakawa | Rowing | Men's single sculls | 23 Aug |
| Bronze | Yoshihiro Otsuka Yuta Takano | Rowing | Men's coxless pair | 23 Aug |
| Bronze | Sho Shimabukuro Kaito Uesugi | Tennis | Men's doubles | 23 Aug |
| Bronze | Yuya Ito Yosuke Watanuki | Tennis | Men's doubles | 23 Aug |
| Bronze | Mikiko Ando | Weightlifting | Women's 58 kg | 23 Aug |
| Bronze | Miyu Yamada | Taekwondo | Women's 49 kg | 23 Aug |
| Bronze | Yuki Kobori | Swimming | Women's 800 m freestyle | 23 Aug |
| Bronze | Keita Sunama | Swimming | Men's 200 m backstroke | 23 Aug |
| Bronze | Miyu Kato Makoto Ninomiya | Tennis | Women's doubles | 24 Aug |
| Bronze | Erina Hayashi Kaito Uesugi | Tennis | Mixed doubles | 24 Aug |
| Bronze | Haruna Baba Shiori Komata Kanna Oishi Ayumi Yamada | Fencing | Women's team épée | 24 Aug |
| Bronze | Fumiyuki Beppu | Cycling | Men's road time trial | 24 Aug |
| Bronze | Kyosuke Matsuyama Toshiya Saito Takahiro Shikine Kenta Suzumura | Fencing | Men's team foil | 24 Aug |
| Bronze | Yuki Sato Seiya Takano Takeshi Terashima Toshitaka Naito Ryo Masuda Tsubasa Sato Masahiro Yamada Hirokazu Kobayashi Masanori Hayashi | Sepak takraw | Men's team doubles | 24 Aug |
| Bronze | Kenta Chiba | Gymnastics | Men's parallel bars | 24 Aug |
| Bronze | Shiho Nakaji | Gymnastics | Women's floor | 24 Aug |
| Bronze | Chihiro Igarashi | Swimming | Women's 400 m freestyle | 24 Aug |
| Bronze | Miho Teramura | Swimming | Women's 200 m individual medley | 24 Aug |
| Bronze | Hitomi Katsuyama | Athletics | Women's hammer throw | 25 Aug |
| Bronze | Tomoa Narasaki | Sport climbing | Men's combined | 26 Aug |
| Bronze | Yuki Fukushima Sayaka Hirota | Badminton | Women's doubles | 26 Aug |
| Bronze | Akihiko Nakamura | Athletics | Men's decathlon | 26 Aug |
| Bronze | Ryota Yamagata | Athletics | Men's 100 m | 26 Aug |
| Bronze | Ayano Kato Kaori Kawanaka Tomomi Sugimoto | Archery | Women's team recurve | 27 Aug |
| Bronze | Kayo Someya | Karate | Women's kumite 68 kg | 27 Aug |
| Bronze | Akane Yamaguchi | Badminton | Women's singles | 27 Aug |
| Bronze | Kenta Nishimoto | Badminton | Men's singles | 27 Aug |
| Bronze | Kazuki Amagai Yudai Nitta Tomohiro Fukaya | Cycling | Men's team sprint | 27 Aug |
| Bronze | Miho Miyahara | Karate | Women's kumite 50 kg | 27 Aug |
| Bronze | Naoto Tobe | Athletics | Men's high jump | 27 Aug |
| Bronze | Takatoshi Abe | Athletics | Men's 400 m hurdles | 27 Aug |
| Bronze | Kazuya Shiojiri | Athletics | Men's 3000 m steeplechase | 27 Aug |
| Bronze | Yumi Kajihara Kisato Nakamura Miho Yoshikawa Yuya Hashimoto Nao Suzuki | Cycling | Women's team pursuit | 28 Aug |
| Bronze | Shogo Ichimaru Shunsuke Imamura Ryo Chikatani Eiya Hashimoto Keitaro Sawada | Cycling | Men's team pursuit | 28 Aug |
| Bronze | Shunya Takayama | Athletics | Men's 110 m hurdles | 28 Aug |
| Bronze | Ken Terauchi Sho Sakai | Diving | Men's synchronized 3 m springboard | 28 Aug |
| Bronze | Kumiko Okada | Athletics | Women's 20 km walk | 29 Aug |
| Bronze | Yuki Yamasaki | Athletics | Women's heptathlon | 29 Aug |
| Bronze | Toshiki Uematsu Riko Hayashida | Soft tennis | Mixed doubles | 30 Aug |
| Bronze | Kimiko Hida Mika Nagata Kaho Sunami Sayo Shiota Asuka Fujita Aya Yokoshima Minami Itano Chie Katsuren Hitomi Tada Natsumi Akiyama Nozomi Hara Mana Ohyama Shiori Nagata Miyuki Terada Tomomi Kawata Mayuko Ishitate | Handball | Women's tournament | 30 Aug |
| Bronze | Julian Walsh Yuki Koike Takatoshi Abe Shōta Iizuka Jun Kimura Sho Kawamoto | Athletics | Men's 4 × 400 m relay | 30 Aug |
| Bronze | Satomi Watanabe Misaki Kobayashi Risa Sugimoto | Squash | Women's team | 31 Aug |
| Bronze | Eiya Hashimoto Shunsuke Imamura | Cycling | Men's madison | 31 Aug |
| Bronze | Mashu Baker | Judo | Men's 90 kg | 31 Aug |
| Bronze | Daisuke Narimatsu | Boxing | Men's 64 kg | 31 Aug |
| Bronze | Yuka Ono | Canoeing | Women's K-1 200 m | 1 Sep |
| Bronze | Yuka Ono Hideka Tatara | Canoeing | Women's K-2 500 m | 1 Sep |
| Bronze | Layla Takehara Stephanie Mawuli Haruka Suzuki Mio Shinozaki Shiori Yasuma Miyuki Kawamura Moe Nagata Saki Hayashi Saori Miyazaki Tamami Nakada Aya Watanabe Juna Umezawa | Basketball | Women's tournament | 1 Sep |
| Bronze | Natsuki Tomi | Sambo | Women's 68 kg | 1 Sep |
Medals by sport :
| Sport | | | | Total |
| Archery | 1 | 0 | 1 | 2 |
| Artistic swimming | 0 | 2 | 0 | 2 |
| Athletics | 6 | 2 | 10 | 18 |
| Badminton | 1 | 1 | 4 | 6 |
| Baseball | 0 | 1 | 0 | 1 |
| Basketball | 0 | 1 | 1 | 2 |
| Bowling | 2 | 0 | 0 | 2 |
| Boxing | 0 | 0 | 1 | 1 |
| Canoeing | 2 | 1 | 2 | 5 |
| Cycling | 3 | 5 | 6 | 14 |
| Diving | 0 | 0 | 1 | 1 |
| Equestrian | 3 | 1 | 0 | 4 |
| Fencing | 2 | 0 | 6 | 8 |
| Field hockey | 2 | 0 | 0 | 2 |
| Football | 1 | 1 | 0 | 2 |
| Golf | 2 | 0 | 0 | 2 |
| Gymnastics | 0 | 4 | 3 | 7 |
| Handball | 0 | 0 | 1 | 1 |
| Judo | 9 | 3 | 1 | 13 |
| Karate | 4 | 0 | 2 | 6 |
| Paragliding | 1 | 1 | 0 | 2 |
| Roller sports | 3 | 2 | 0 | 5 |
| Rowing | 1 | 0 | 2 | 3 |
| Rugby sevens | 1 | 1 | 0 | 2 |
| Sailing | 4 | 0 | 0 | 4 |
| Sambo | 0 | 0 | 1 | 1 |
| Sepak takraw | 0 | 1 | 1 | 2 |
| Shooting | 0 | 1 | 1 | 2 |
| Soft tennis | 2 | 1 | 1 | 4 |
| Softball | 1 | 0 | 0 | 1 |
| Sport climbing | 1 | 1 | 1 | 3 |
| Squash | 0 | 0 | 1 | 1 |
| Swimming | 19 | 20 | 13 | 52 |
| Taekwondo | 0 | 0 | 2 | 2 |
| Tennis | 0 | 0 | 4 | 4 |
| Triathlon | 3 | 0 | 0 | 3 |
| Volleyball | 0 | 1 | 0 | 1 |
| Water polo | 0 | 1 | 1 | 2 |
| Weightlifting | 0 | 0 | 1 | 1 |
| Wrestling | 1 | 3 | 6 | 10 |
| Wushu | 0 | 1 | 0 | 1 |
| Total | 75 | 56 | 74 | 205 |
Medals by day :
| Day | Date | | | | Total |
| 1 | August 19 | 3 | 6 | 5 | 14 |
| 2 | August 20 | 5 | 5 | 6 | 16 |
| 3 | August 21 | 4 | 6 | 7 | 17 |
| 4 | August 22 | 8 | 6 | 7 | 21 |
| 5 | August 23 | 5 | 5 | 8 | 18 |
| 6 | August 24 | 4 | 3 | 10 | 17 |
| 7 | August 25 | 5 | 0 | 1 | 6 |
| 8 | August 26 | 6 | 3 | 4 | 13 |
| 9 | August 27 | 3 | 2 | 9 | 14 |
| 10 | August 28 | 0 | 2 | 4 | 6 |
| 11 | August 29 | 9 | 9 | 2 | 20 |
| 12 | August 30 | 7 | 2 | 3 | 12 |
| 13 | August 31 | 10 | 1 | 4 | 15 |
| 14 | September 1 | 5 | 6 | 4 | 15 |
| 15 | September 2 | 1 | 0 | 0 | 1 |
| Total | Total | 75 | 56 | 74 | 205 |

### Demonstration events

| Medal | Name | Sport | Event | Date |
| Gold | Naoki Sugimura Tsubasa Aihara | eSports | Pro Evolution Soccer tournament | 1 Sep |

## Competitors

The number of competitors representing Japan in each sport at the Games was:
| Sport | Men | Women | Total |
| Archery | 4 | 4 | 8 |
| Artistic swimming | — | 9 | 9 |
| Athletics | 35 | 23 | 58 |
| Badminton | 10 | 10 | 20 |
| Baseball | 23 | — | 23 |
| Basketball | 16 | 16 | 32 |
| Bowling | 6 | 6 | 12 |
| Boxing | 7 | 1 | 8 |
| Canoeing | 11 | 8 | 19 |
| Contract bridge | 9 | 3 | 12 |
| Cycling | 14 | 10 | 24 |
| Diving | 3 | 4 | 7 |
| Equestrian | 11 | 1 | 12 |
| Fencing | 12 | 12 | 24 |
| Field hockey | 18 | 18 | 36 |
| Football | 20 | 18 | 38 |
| Golf | 4 | 3 | 7 |
| Gymnastics | 7 | 11 | 18 |
| Handball | 15 | 16 | 31 |
| Judo | 10 | 10 | 20 |
| Kabaddi | 10 | 10 | 20 |
| Karate | 4 | 4 | 8 |
| Kurash | 2 | 0 | 2 |
| Modern pentathlon | 2 | 2 | 4 |
| Paragliding | 5 | 3 | 8 |
| Pencak silat | 1 | 0 | 1 |
| Roller sports | 2 | 2 | 4 |
| Rowing | 7 | 7 | 14 |
| Rugby sevens | 12 | 12 | 24 |
| Sailing | 7 | 5 | 12 |
| Sambo | 2 | 1 | 3 |
| Sepak takraw | 9 | 9 | 18 |
| Shooting | 9 | 9 | 18 |
| Soft tennis | 5 | 5 | 10 |
| Softball | — | 17 | 17 |
| Sport climbing | 2 | 2 | 4 |
| Squash | 3 | 3 | 6 |
| Swimming | 19 | 19 | 38 |
| Table tennis | 4 | 4 | 8 |
| Taekwondo | 3 | 3 | 6 |
| Tennis | 5 | 5 | 10 |
| Triathlon | 3 | 2 | 5 |
| Volleyball | 18 | 18 | 36 |
| Water polo | 13 | 13 | 26 |
| Weightlifting | 8 | 7 | 15 |
| Wrestling | 12 | 6 | 18 |
| Wushu | 4 | 2 | 6 |
| Total | 406 | 353 | 759 |

### Demonstration events

| Sport | Men | Women | Total |
| Canoe polo | 6 | 6 | 12 |
| eSports | 3 | 0 | 3 |

## Archery
### Recurve

| Athlete | Event | Ranking round | Ranking round | Round of 64 | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Score | Seed | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Hiroki Muto | Men's individual | 649 | 18 | Khudoyarov (TJK) W 6–0 | Baatarkhuyag (MGL) W 6–4 | Kim (KOR) L 1–7 | Did not advance | Did not advance | Did not advance | Did not advance |
| Takaharu Furukawa | Men's individual | 668 | 7 | Bye | Pathairat (THA) W 6–2 | Li (CHN) W 6–4 | Kim (KOR) L 4–6 | Did not advance | Did not advance | Did not advance |
| Tomoaki Kuraya | Men's individual | 646 | 30 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Hiroki Muto Takaharu Furukawa Tomoaki Kuraya | Men's team | 1963 | 6 | — | Bye | Indonesia W 6–2 | Chinese Taipei L 0–6 | Did not advance | Did not advance | Did not advance |
| Ayano Kato | Women's individual | 643 | 19 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Kaori Kawanaka | Women's individual | 649 | 13 | Bye | Ghapar (MAS) W 6–0 | Tan (TPE) L 1–7 | Did not advance | Did not advance | Did not advance | Did not advance |
| Tomomi Sugimoto | Women's individual | 663 | 6 | Bye | Tagaeva (TJK) W 6–0 | Lestari (INA) W 6–2 | Le (TPE) L 0–6 | Did not advance | Did not advance | Did not advance |
| Ayano Kato Kaori Kawanaka Tomomi Sugimoto | Women's team | 1955 | 4 | — | Bangladesh W 6–2 | Indonesia W 6–0 | South Korea L 2–6 | China W 6–2 | |
| Takaharu Furukawa Tomomi Sugimoto | Mixed team | 1331 | 4 | — | Bye | Iran W 6–0 | Bangladesh W 5–1 | Mongolia W 6–2 | North Korea W 6–0 | |

### Compound

| Athlete | Event | Ranking round | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Score | Seed | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Kazune Nakamura Yumiko Honda | Mixed team | 1366 | 10 | Bye | Iran L 152–152$^{(17–19)}$ | Did not advance | Did not advance | Did not advance | Did not advance |

## Artistic swimming

Japan has fielded a squad of nine artistic swimmers to compete in the women's duet and team events.
| Athlete | Event | Technical routine | Technical routine | Free routine | Free routine | Total | Rank |
| Athlete | Event | Points | Rank | Points | Rank | Total | Rank |
| Yukiko Inui Megumu Yoshida | Duet | 90.2363 | 2 | 92.1000 | 2 | 182.3363 | |
| Juka Fukumura Yukiko Inui Kei Marumo Kano Omata Mayu Tsukamoto Mashiro Yasunaga Megumu Yoshida Moeka Kijima$^{FR}$ Okina Kyogoku$^{TR}$ | Team | 90.9357 | 2 | 91.9333 | 2 | 182.8690 | |
FR: Reserved in free routine; TR: Reserved in technical routine.

## Athletics
### Track & road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Ryota Yamagata | 100 m | 10.19 | 2Q | 10.10 | 1Q | 10.00 | |
| Asuka Cambridge | 100 m | 10.23 | 2Q | 10.36 | 3 | Did not advance | Did not advance | Did not advance |
| Shōta Iizuka | 200 m | 21.08 | 2Q | 20.64 | 2Q | 20.68 | 7 |
| Yuki Koike | 200 m | 21.30 | 2Q | 20.35 | 1Q | 20.23 | |
| Julian Walsh | 400 m | 46.20 | 2Q | 46.01 | 2 | 45.89 | 5 |
| Sho Kawamoto | 800 m | 1:48.07 | 4Q | — | — | 1:50.87 | 7 |
| Takumi Murashima | 800 m | 1:48.86 | 3 | — | — | Did not advance | Did not advance |
| Ryoji Tatezawa | 1500 m | 3:50.75 | 4Q | — | — | 3:49.40 | 9 |
| Taioh Kanai | 110 m hurdles | 13.81 | 2Q | — | — | 13.74 | 7 |
| Shunya Takayama | 110 m hurdles | 13.84 | 1Q | — | — | 13.48 | |
| Takatoshi Abe | 400 m hurdles | 49.71 | 3Q | — | — | 49.12 | |
| Takayuki Kishimoto | 400 m hurdles | 50.95 | 10 | — | — | Did not advance | Did not advance |
| Kazuya Shiojiri | 3000 m steeplechase | — | — | — | — | 8:29.42 | |
| Kosei Yamaguchi | 3000 m steeplechase | — | — | — | — | 8:47.41 | 9 |
| Hiroto Inoue | Marathon | — | — | — | — | 2:18:22 | |
| Hayato Sonoda | Marathon | — | — | — | — | 2:19:04 | 4 |
| Eiki Takahashi | 20 km walk | — | — | — | — | 1:27:31 | 5 |
| Toshikazu Yamanishi | 20 km walk | — | — | — | — | 1:22:10 | |
| Hayato Katsuki | 50 km walk | — | — | — | — | 4:03:30 | |
| Satoshi Maruo | 50 km walk | — | — | — | — | 4:14:13 | 4 |
| Ryota Yamagata Shuhei Tada Yoshihide Kiryū Asuka Cambridge | 4 × 100 m relay | 38.20 | 1 | — | — | 38.16 | |
| Julian Walsh Yuki Koike Takatoshi Abe Shōta Iizuka | 4 × 400 m relay | 3:06.11 | 1 | — | — | 3:01.94 | |

### Field events

| Athlete | Event | Heat | Heat | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank |
| Yuki Hashioka | Long jump | 8.03 | 1Q | 8.05 | 4 |
| Shotaro Shiroyama | Long jump | 7.74 | 6Q | 7.98 | 5 |
| Kohei Yamashita | Triple jump | — | — | 16.46 | 4 |
| Naoto Tobe | High jump | 2.15 | 1Q | 2.24 | |
| Takashi Eto | High jump | 2.15 | 1Q | 2.24 | 6 |
| Seito Yamamoto | Pole vault | — | — | 5.70 | |
| Kosei Takekawa | Pole vault | — | — | 5.00 | 11 |
| Masateru Yugami | Discus throw | — | — | 57.62 | 6 |
| Ryohei Arai | Javelin throw | — | — | 75.24 | 7 |

### Combined events – Decathlon

| Athlete | Event | 100 m | LJ | SP | HJ | 400 m | 110H | DT | PV | JT | 1500 m | Final |
| Akihiko Nakamura | Result | 10.95 | 7.34 | 11.43 | 1.97 | 48.87 | 14.45 | 36.84 | 4.80 | 51.35 | 4:24.75 | 7738 |
| Akihiko Nakamura | Points | 872 | 896 | 572 | 776 | 867 | 917 | 601 | 849 | 609 | 779 | 7738 |
| Keisuke Ushiro | Result | 11.39 | 7.09 | 14.49 | 1.97 | 50.29 | 15.09 | 45.09 | 4.90 | 63.07 | 4:44.11 | 7878 |
| Keisuke Ushiro | Points | 776 | 835 | 758 | 776 | 801 | 839 | 774 | 880 | 784 | 655 | 7878 |

### Track & road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Chisato Fukushima | 100 m | 11.99 | 4 | Did not advance | Did not advance | Did not advance | Did not advance |
| Chisato Fukushima | 200 m | DNS | DNS | Did not advance | Did not advance | Did not advance | Did not advance |
| Kana Ichikawa | 100 m | 11.94 | 5Q | 12.01 | 8 | Did not advance | Did not advance |
| Yume Kitamura | 800 m | 2:05.31 | 2Q | — | — | 2:03.88 | 4 |
| Ayano Shiomi | 800 m | 2:04.46 | 2Q | — | — | 2:04.57 | 4 |
| Rina Nabeshima | 5000 m | — | — | — | — | 15:40.37 | 4 |
| Minami Yamanouchi | 5000 m | — | — | — | — | 15:52.48 | 6 |
| Yuka Hori | 10000 m | — | — | — | — | 32:42.73 | 7 |
| Masumi Aoki | 100 m hurdles | 13.48 | 3Q | — | — | 13.63 | 5 |
| Hitomi Shimura | 100 m hurdles | 13.87 | 8Q | — | — | 13.74 | 7 |
| Eri Utsunomiya | 400 m hurdles | 57.99 | 2Q | — | — | 58.97 | 7 |
| Yukari Ishizawa | 3000 m steeplechase | — | — | — | — | 10:13.53 | 8 |
| Keiko Nogami | Marathon | — | — | — | — | 2:36:27 | |
| Hanae Tanaka | Marathon | — | — | — | — | 2:42:35 | 9 |
| Kumiko Okada | 20 km walk | — | — | — | — | 1:34:02 | |
| Midori Mikase Kana Ichikawa Nodoka Seko Masumi Aoki | 4 × 100 m relay | 44.95 | 5 | — | — | 44.93 | 5 |
| Ayaka Kawata Yume Kitamura Eri Utsunomiya Ayano Shiomi | 4 × 400 m relay | — | — | — | — | 3:34.14 | 5 |

### Field events

| Athlete | Event | Final | Final |
| Athlete | Event | Result | Rank |
| Hitomi Katsuyama | Hammer throw | 62.95 | |
| Akane Watanabe | Hammer throw | 62.45 | 4 |
| Marina Saito | Javelin throw | 56.46 | 4 |
| Risa Miyashita | Javelin throw | 51.05 | 9 |

### Combined events - Heptathlon

| Athlete | Event | 110H | HJ | SP | 200 m | LJ | JT | 800 m | Final | Rank |
| Meg Hemphill | Result | 13.69 | 1.64 | 11.97 | 25.37 | 5.97 | 43.71 | 2:25.00 | 5654 | 6 |
| Meg Hemphill | Points | 1023 | 783 | 659 | 853 | 840 | 739 | 757 | 5654 | 6 |
| Yuki Yamasaki | Result | 14.02 | 1.70 | 12.13 | 24.75 | 5.89 | 46.48 | 2:17.75 | 5873 | |
| Yuki Yamasaki | Points | 976 | 855 | 670 | 910 | 816 | 792 | 854 | 5873 | |

### Mixed

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Jun Kimura Ayaka Kawata Eri Utsunomiya Jun Yamashita | 4 × 400 m relay | — | — | — | — | 3:21.90 | 5 |

## Badminton

Nippon Badminton Association announced its squad of 20 players (10 men's and 10 women's) on 6 June 2018.

### Men

| Athlete | Event | Round of 64 | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Kento Momota | Singles | Bye | B Shrestha (NEP) W (21–9, 21–10) | A S Ginting (INA) L (18–21, 18–21) | Did not advance | Did not advance | Did not advance | Did not advance |
| Kenta Nishimoto | Singles | Bye | K Byambajav (MGL) W (21–11, 21–6) | H Z Shaheed (MDV) W (21–7, 21–10) | Son W-h (KOR) W (21–17, 21–11) | J Christie (INA) L (15–21, 21–15, 19–21) | Did not advance | |
| Takeshi Kamura Keigo Sonoda | Doubles | — | T Isriyanet / K Namdash (THA) W (21–11, 21–16) | Ong Y S / Teo E Y (MAS) L (14–21, 17–21) | Did not advance | Did not advance | Did not advance | Did not advance |
| Takuto Inoue Yuki Kaneko | Doubles | — | M I S Bhatti / A Sarwar (PAK) W (21–8, 21–16) | M F Gideon / K S Sukamuljo (INA) L (16–21, 21–19, 18–21) | Did not advance | Did not advance | Did not advance | Did not advance |
| Kento Momota Kenta Nishimoto Riichi Takeshita Kanta Tsuneyama Takeshi Kamura Keigo Sonoda Takuto Inoue Yuki Kaneko Yuta Watanabe Takuro Hoki | Team | — | — | Malaysia W 3–0 | South Korea W 3–0 | Indonesia L 1–3 | Did not advance | |

### Women

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Akane Yamaguchi | Singles | S Lidaa (AFG) W (21–0, 21–3) | N Tamang (NEP) W (21–7, 21–12) | Chen YF (CHN) W (21–19, 21–11) | P V Sindhu (IND) L (17–21, 21–15, 10–21) | Did not advance | |
| Nozomi Okuhara | Singles | M A Shahrurunaz (MDV) W (21–2, 21–5) | He BJ (CHN) W (21–10, 21–12) | Tai T-y (TPE) L (15–21, 10–21) | Did not advance | Did not advance | Did not advance |
| Misaki Matsutomo Ayaka Takahashi | Doubles | Bye | G Saddique / S Waqas (PAK) W (21–3, 21–3) | Kim H-r / Kong H-y (KOR) W (21–10, 21–7) | G Polii / A Rahayu (INA) W (21–15, 21–17) | Chen QC / Jia YF (CHN) L (20–22, 20–22) | |
| Yuki Fukushima Sayaka Hirota | Doubles | Bye | D D Haris / R A Pradipta (INA) W (21–13, 21–17) | Lee S-h / Shin S-c (KOR) W (21–13, 21–17) | Chen QC / Jia YF (CHN) L (17–21, 8–21) | Did not advance | |
| Akane Yamaguchi Nozomi Okuhara Sayaka Sato Aya Ohori Misaki Matsutomo Ayaka Takahashi Yuki Fukushima Sayaka Hirota Arisa Higashino Koharu Yonemoto | Team | — | Bye | India W 3–1 | Indonesia W 3–1 | China W 3–1 | |

### Mixed

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Yuta Watanabe Arisa Higashino | Mixed | Choi S-g / Shin S-c (KOR) W (12–21, 22–20, 21–15) | R Azam / S Waqas (PAK) W (21–7, 21–9) | Wang YL / Huang DP (CHN) L (17–21, 21–18, 17–21) | Did not advance | Did not advance | Did not advance |
| Takuro Hoki Koharu Yonemoto | Mixed | Bye | Đỗ T Đ / Phạm N T (VIE) W (21–12, 21–13) | Zheng SW / Huang YQ (CHN) L (13–21, 15–21) | Did not advance | Did not advance | Did not advance |

## Baseball

Japan participated in the baseball competition at the Games, and the team were drawn in the group A.
| Team | Event | Round 1 | Round 1 | Round 2 | Round 2 | Super / Consolation | Super / Consolation | Final / BM | Final / BM |
| Team | Event | Oppositions scores | Rank | Oppositions scores | Rank | Oppositions scores | Rank | Opposition score | Rank |
| Japan men's | Men's tournament | Bye | Bye | Pakistan: W 15–0 (F/6) China: W 17–2 (F/5) Thailand: W 24–0 (F/5) | 1 Q | South Korea: L 1–5 Chinese Taipei: W 5–0 | 2 Q | South Korea: L 0–3 | |

### Roster

The following is the Japan roster (Samurai team) for the men's baseball tournament of the 2018 Asian Games. The team of 24 players was officially named on 18 June 2018. The team remain of 23 players after Shunpei Yoshikawa withdrawal from the Games.

### Manager

    Akio Ishii

### Coaches

    Yuji Tanahashi
    Shigeki Wakabayashi
    Masanori Sugiura
| Pos. | No. | Player | Date of birth (age) | Club |
| OF | 1 | Koji Chikamoto | (1994-11-09)9 November 1994 (aged 23) | Osaka Gas Okayama |
| IF | 2 | Jumpei Horimai | (1993-04-18)18 April 1993 (aged 25) | Toshiba Iwate |
| IF | 3 | Sho Aoyagi | (1989-12-07)7 December 1989 (aged 28) | Osaka Gas Okayama |
| IF | 4 | Shoji Kitamura | (1994-01-23)23 January 1994 (aged 24) | Toyota Ishikawa |
| OF | 5 | Momotaro Matsumoto | (1994-11-11)11 November 1994 (aged 23) | Honda Hokkaido |
| OF | 6 | Asahi Sato | (1992-10-09)9 October 1992 (aged 25) | Toshiba Ibaragi |
| IF | 7 | Tsuyoshi Tamura | (1993-09-06)6 September 1993 (aged 24) | JR West Okayama |
| IF | 8 | Michiori Okabe | (1992-06-04)4 June 1992 (aged 26) | Jx-Eneos Tokyo |
| IF | 9 | Shohei Morishita | (1994-06-23)23 June 1994 (aged 24) | Hitachi Tokyo |
| IF | 10 | Junya Kino | (1992-10-20)20 October 1992 (aged 25) | NTT East Kanagawa |
| P | 11 | Yuichiro Okano | (1994-04-16)16 April 1994 (aged 24) | Toshiba Miyagi |
| IF | 12 | Yuki Jibiki | (1990-06-25)25 June 1990 (aged 28) | Tokyo Gas Chiba |
| P | 13 | Yudai Aranishi | (1992-08-25)25 August 1992 (aged 26) | Honda Kumamoto |
| P | 15 | Isamu Usui | (1994-04-02)2 April 1994 (aged 24) | Tokyo Gas Kanagawa |
| P | 17 | Makoto Hori | (1995-02-27)27 February 1995 (aged 23) | NTT East Tokyo |
| P | 18 | Takumi Takahashi | (1994-06-20)20 June 1994 (aged 24) | Japan Life Insurance Gumma |
| P | 19 | Katsutoshi Satake | (1983-10-14)14 October 1983 (aged 34) | Toyota Kanagawa |
| P | 20 | Akiyoshi Katsuno | (1997-06-12)12 June 1997 (aged 21) | Mitsubishi H.I. Gifu |
| C | 23 | Takehiro Tsujino | (1993-06-16)16 June 1993 (aged 25) | Honda Ibaragi |
| OF | 24 | Kohei Sasagawa | (1994-04-21)21 April 1994 (aged 24) | Tokyo Gas Ibaragi |
| C | 27 | Ryo Kinami | (1992-04-10)10 April 1992 (aged 26) | Nippon Express Tokyo |
| P | 34 | Ryoga Tomiyama | (1997-05-03)3 May 1997 (aged 21) | Toyota Wakayama |
| C | 36 | Takeshi Hosoyamada | (1986-04-29)29 April 1986 (aged 32) | Toyota Kagoshima |

### Round 2 – Group A

| Pos | Teamvte | Pld | W | L | RF | RA | PCT | GB | Qualification |
| 1 | Japan | 3 | 3 | 0 | 56 | 2 | 1.000 | — | Super round |
| 2 | China | 3 | 2 | 1 | 33 | 20 | .667 | 1 | Super round |
| 3 | Pakistan | 3 | 1 | 2 | 11 | 32 | .333 | 2 | Consolation round |
| 4 | Thailand | 3 | 0 | 3 | 1 | 47 | .000 | 3 | Consolation round |
| 26 August 9:00 | Japan | 15–0 (F/6) | Pakistan | Rawamangun Baseball Field, Jakarta Attendance: 200 Umpires: Huang Jun-jeh (TPE) |
| 26 August 9:00 | WP: Yudai Aranishi | Boxscore | LP: Tariq Nadeem | Rawamangun Baseball Field, Jakarta Attendance: 200 Umpires: Huang Jun-jeh (TPE) |
| 26 August 9:00 | HR: Kohei Sasagawa (1) | Boxscore | | Rawamangun Baseball Field, Jakarta Attendance: 200 Umpires: Huang Jun-jeh (TPE) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| Pakistan | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | 0 | 4 | 1 |
| Japan | 0 | 4 | 8 | 1 | 1 | 1 | — | — | — | 15 | 15 | 0 |
| 27 August 14:00 | Japan | 17–2 (F/5) | China | Rawamangun Baseball Field, Jakarta Attendance: 150 Umpires: Chu Hsu-kuang (TPE) |
| 27 August 14:00 | WP: Akiyoshi Katsuno | Boxscore | LP: Gong Haicheng | Rawamangun Baseball Field, Jakarta Attendance: 150 Umpires: Chu Hsu-kuang (TPE) |
| 27 August 14:00 | HR: Shohei Morishita (1), Momotaro Matsumoto (2), Tsuyoshi Tamura (1) | Boxscore | | Rawamangun Baseball Field, Jakarta Attendance: 150 Umpires: Chu Hsu-kuang (TPE) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| China | 0 | 0 | 0 | 2 | 0 | — | — | — | — | 2 | 5 | 0 |
| Japan | 13 | 1 | 2 | 0 | 1 | — | — | — | — | 17 | 17 | 0 |
| 28 August 9:00 | Thailand | 0–24 (F/5) | Japan | Rawamangun Baseball Field, Jakarta Attendance: 130 Umpires: Sujeewa Wijayanayake (SRI) |
| 28 August 9:00 | LP: Alex Clark | Boxscore | WP: Takumi Takahashi | Rawamangun Baseball Field, Jakarta Attendance: 130 Umpires: Sujeewa Wijayanayake (SRI) |
| 28 August 9:00 | | Boxscore | HR: Tsuyoshi Tamura (2), Yuki Jibiki (1), Michiori Okabe (1), Asahi Sato (1), Kohei Sasagawa (1) | Rawamangun Baseball Field, Jakarta Attendance: 130 Umpires: Sujeewa Wijayanayake (SRI) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| Japan | 4 | 4 | 5 | 3 | 8 | — | — | — | — | 24 | 19 | 1 |
| Thailand | 0 | 0 | 0 | 0 | 0 | — | — | — | — | 0 | 0 | 2 |

### Super round

| Pos | Teamvte | Pld | W | L | RF | RA | PCT | GB | Qualification |
| 1 | South Korea | 3 | 2 | 1 | 16 | 4 | .667 | — | Gold medal match |
| 2 | Japan | 3 | 2 | 1 | 23 | 7 | .667 | — | Gold medal match |
| 3 | Chinese Taipei | 3 | 2 | 1 | 3 | 6 | .667 | — | Bronze medal match |
| 4 | China | 3 | 0 | 3 | 3 | 28 | .000 | 2 | Bronze medal match |
* 1 2 3 Tied on head-to-head wins (1). Team quality balance: KOR +0.167, JPN +0.056, TPE −0.222.
| 30 August 12:00 | Japan | 1–5 | South Korea | Gelora Bung Karno Baseball Field, Jakarta Attendance: 637 Umpires: Chu Hsu-kuang (TPE) |
| 30 August 12:00 | LP: Katsutoshi Satake | Boxscore | WP: Lee Yong-chan | Gelora Bung Karno Baseball Field, Jakarta Attendance: 637 Umpires: Chu Hsu-kuang (TPE) |
| 30 August 12:00 | | Boxscore | HR: Kim Ha-seong (1), Park Byung-ho (1), Hwang Jae-gyun (1) | Gelora Bung Karno Baseball Field, Jakarta Attendance: 637 Umpires: Chu Hsu-kuang (TPE) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| South Korea | 0 | 0 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 5 | 14 | 1 |
| Japan | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 6 | 1 |
| 31 August 18:30 | Chinese Taipei | 0–5 | Japan | Gelora Bung Karno Baseball Field, Jakarta Attendance: 500 Umpires: Park Hi-young (KOR) |
| 31 August 18:30 | LP: Lin Hua-ching | Boxscore | WP: Yuichiro Okano Sv: Yudai Aranishi | Gelora Bung Karno Baseball Field, Jakarta Attendance: 500 Umpires: Park Hi-young (KOR) |
| 31 August 18:30 | | Boxscore | HR: Tsuyoshi Tamura (1) | Gelora Bung Karno Baseball Field, Jakarta Attendance: 500 Umpires: Park Hi-young (KOR) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| Japan | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 5 | 7 | 0 |
| Chinese Taipei | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 2 |

### Final

| 1 September 16:00 | South Korea | 3–0 | Japan | Gelora Bung Karno Baseball Field, Jakarta Attendance: 1,700 Umpires: Huang Jun-jeh (TPE) |
| 1 September 16:00 | WP: Yang Hyeon-jong Sv: Jung Woo-ram | Boxscore | LP: Ryoga Tomiyama | Gelora Bung Karno Baseball Field, Jakarta Attendance: 1,700 Umpires: Huang Jun-jeh (TPE) |
| 1 September 16:00 | HR: Park Byung-ho (1) | Boxscore | | Gelora Bung Karno Baseball Field, Jakarta Attendance: 1,700 Umpires: Huang Jun-jeh (TPE) |
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | R | H | E |
| Japan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| South Korea | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | X | 3 | 4 | 2 |

## Basketball
### Summary

| Team | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinals / Pl. | Final / BM / Pl. | Final / BM / Pl. |
| Team | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank | Opposition score | Opposition score | Opposition score | Rank |
| Japan men's | Men's tournament | — | — | Chinese Taipei L 65−71 | Qatar W 82−71 | Hong Kong W 88−82 | 2 Q | Iran L 67−93 | Philippines L 80−113 | Indonesia W 84−66 | 7 |
| Japan women's | Women's tournament | — | Hong Kong W 121−44 | China L 73−105 | Mongolia W 107−35 | Thailand W 91−41 | 2 Q | Kazakhstan W 104−57 | China L 74−86 | Chinese Taipei W 76−63 | |
| Japan men's | Men's 3x3 tournament | Nepal W 22−11 | Jordan W 22−7 | Maldives W Disq. | Qatar W 21−15 | Syria W 21−13 | 1 Q | Thailand L 13−21 | Did not advance | Did not advance | Did not advance |
| Japan women's | Women's 3x3 tournament | — | — | Mongolia W 22−1 | Chinese Taipei W 14−10 | Nepal W 21−4 | 1 Q | Indonesia W 15−6 | Thailand W 21−16 | China L 10−21 | |

### 5x5 basketball

Japan men's team will compete in group C at the Games, while the women's team in group Y.

#### Men's tournament
##### Roster

The following is the Japan roster in the men's basketball tournament of the 2018 Asian Games.

##### Group C

| Pos | Teamvte | Pld | W | L | PF | PA | PD | Pts | Qualification |
| 1 | Chinese Taipei | 3 | 3 | 0 | 252 | 202 | +50 | 6 | Quarterfinals |
| 2 | Japan | 3 | 2 | 1 | 235 | 224 | +11 | 5 | Quarterfinals |
| 3 | Qatar | 3 | 1 | 2 | 231 | 245 | −14 | 4 | |
| 4 | Hong Kong | 3 | 0 | 3 | 229 | 276 | −47 | 3 | |
* 14 August 10:00
| Chinese Taipei | 71–65 | Japan |
| Scoring by quarter: 11–17, 19–20, 29–16, 12–12 |||
| Pts: Chen Y.C. 18 Rebs: Liu C. 9 Asts: Chen Y.C. 5 | | Pts: Harimoto 12 Rebs: Sato 8 Asts: Vendrame 6 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Harja Jaladri (INA), Alexey Stepanenko (KAZ), Preeda Muongmee (THA)
* 16 August 18:30
| Japan | 82–71 | Qatar |
| Scoring by quarter: 17–23, 22–14, 22–18, 21–16 |||
| Pts: Hashimoto 22 Rebs: Schafer 7 Asts: Hashimoto 4 | | Pts: Ngombo 36 Rebs: Yousuf, Suliman 6 Asts: Suliman 6 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Ferdinand Pascual (PHI), Yevgeniy Mikheyev (KAZ), Kim Jong-kuk (KOR)
* 22 August 16:00
| Japan | 88–82 | Hong Kong |
| Scoring by quarter: 22–19, 20–22, 28–20, 18–21 |||
| Pts: Ota 19 Rebs: Ota 10 Asts: Vendrame 8 | | Pts: Leung S.W. 35 Rebs: Szeto W.K. 16 Asts: Yang 6 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Budi Marfan (INA), Johan Christiana (INA), Haryanto Sutaryo (INA)

##### Quarter-final

* 27 August 12:30
| Iran | 93–67 | Japan |
| Scoring by quarter: 25–14, 17–21, 25–19, 26–13 |||
| Pts: Haddadi 22 Rebs: Haddadi 15 Asts: Nikkhah, Kazemi 4 | | Pts: Kumagae 14 Rebs: Tsuji, Ota 5 Asts: Nakamura 7 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Harja Jaladri (INA), Preeda Muongmee (THA), Chen Ying-cheng (TPE)

##### Classification 5th–8th

* 28 August 16:00
| Philippines | 113–80 | Japan |
| Scoring by quarter: 27–27, 30–20, 25–17, 31–16 |||
| Pts: Standhardinger 27 Rebs: Standhardinger 13 Asts: Clarkson 9 | | Pts: Nakamura 16 Rebs: Schafer 8 Asts: Nakamura 11 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Yuen Chun Yip (HKG), Mohammad Doust (IRI), Kim Jong-kuk (KOR)

##### Seventh place game

* 31 August 12:30
| Japan | 84–66 | Indonesia |
| Scoring by quarter: 21–20, 18–12, 18–22, 27–12 |||
| Pts: Tsuji 29 Rebs: Ota 11 Asts: Harimoto 8 | | Pts: Johnson 23 Rebs: Johnson 12 Asts: Wisnu 6 |
* Istora Gelora Bung Karno, Jakarta Referees: Yuen Chun Yip (HKG), Kim Jong-kuk (KOR), Preeda Muongmee (THA)

#### Women's tournament
##### Roster

The following is the Japan roster in the women's basketball tournament of the 2018 Asian Games.

##### Group Y

| Pos | Teamvte | Pld | W | L | PF | PA | PD | Pts | Qualification |
| 1 | China | 4 | 4 | 0 | 448 | 182 | +266 | 8 | Quarterfinals |
| 2 | Japan | 4 | 3 | 1 | 392 | 225 | +167 | 7 | Quarterfinals |
| 3 | Thailand | 4 | 2 | 2 | 231 | 316 | −85 | 6 | Quarterfinals |
| 4 | Mongolia | 4 | 1 | 3 | 193 | 358 | −165 | 5 | Quarterfinals |
| 5 | Hong Kong | 4 | 0 | 4 | 230 | 413 | −183 | 4 | |
* 15 August 16:00
| Hong Kong | 44–121 | Japan |
| Scoring by quarter: 13–29, 15–33, 6–34, 10–25 |||
| Pts: Li T.K. 13 Rebs: Wong K.Y. 5 Asts: Wong T.C. 3 | | Pts: Nagata 23 Rebs: Umezawa 13 Asts: Yasuma, Miyazaki 12 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Yevgeniy Mikheyev (KAZ), Lee Ji-youn (KOR), Johan Christiana (INA)
* 17 August 12:30
| Japan | 73–105 | China |
| Scoring by quarter: 22–35, 19–20, 18–26, 14–24 |||
| Pts: Hayashi 17 Rebs: Suzuki 6 Asts: Miyazaki 12 | | Pts: Li M., Liu J.C. 18 Rebs: Sun M.R., Han X. 8 Asts: Shao T. 7 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Snehal Bendke (IND), Alexey Stepanenko (KAZ), Haryanto Sutaryo (INA)
* 19 August 12:30
| Japan | 107–35 | Mongolia |
| Scoring by quarter: 30–11, 34–8, 25–11, 18–5 |||
| Pts: Shinozaki 19 Rebs: Suzuki 15 Asts: Yasuma 9 | | Pts: Bulbul 16 Rebs: Bayartsetseg 7 Asts: Bulbul 3 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Kim Jong-kuk (KOR), Imran Ali Baig (IND), Johan Christiana (INA)
* 21 August 12:30
| Thailand | 41–91 | Japan |
| Scoring by quarter: 10–28, 13–22, 16–20, 2–21 |||
| Pts: Maihom 12 Rebs: Kunchuan 6 Asts: Saechua, Klanbut 3 | | Pts: Watanabe 27 Rebs: Umezawa 8 Asts: Yasuma 11 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Snehal Bendke (IND), Chen Ying-cheng (TPE), Budi Marfan (INA)

##### Quarter-final

* 26 August 16:00
| Japan | 104–57 | Kazakhstan |
| Scoring by quarter: 22–21, 23–7, 28–18, 31–11 |||
| Pts: Nakada, Watanabe 19 Rebs: Umezawa 9 Asts: Miyazaki 9 | | Pts: Kondrakova 14 Rebs: Kolesnikova, Kondrakova 9 Asts: Kolesnikova 3 |
* Gelora Bung Karno Basketball Hall, Jakarta Referees: Mohammad Doust (IRI), Watcharin Padungratchadakit (THA), Chen Ying-cheng (TPE)

##### Semifinal

* 30 August 12:30
| Japan | 74–86 | China |
| Scoring by quarter: 17–20, 13–20, 24–31, 20–15 |||
| Pts: Shinozaki 17 Rebs: Nakada, Watanabe, Umezawa 4 Asts: Miyazaki 10 | | Pts: Shao T. 16 Rebs: Li Y.R. 8 Asts: Shao T. 6 |
* Istora Gelora Bung Karno, Jakarta Referees: Watcharin Padungratchadakit (THA), Mohammad Doust (IRI), Haryanto Sutaryo (INA)

##### Bronze medal game

* 1 September 10:00
| Chinese Taipei | 63–76 | Japan |
| Scoring by quarter: 14–20, 19–6, 13–26, 17–24 |||
| Pts: Cheng I.H. 16 Rebs: Wang W.L., Cheng I.H. 7 Asts: Chen Y.C. 5 | | Pts: Hayashi 17 Rebs: Umezawa 9 Asts: Miyazaki 11 |
* Istora Gelora Bung Karno, Jakarta Referees: Lee Ji-youn (KOR), Watcharin Padungratchadakit (THA), Imran Ali Baig (IND)

### 3x3 basketball

Japan national 3x3 team participated in the Games. The men's team placed in the pool C and the women's team in the pool B based on the FIBA 3x3 federation ranking.

#### Men's tournament
##### Roster

The following is the Japan roster in the men's 3x3 basketball tournament of the 2018 Asian Games.
* Ryuto Yasuoka (10)
* Hayate Arakawa (14)
* Tensho Sugimoto (23)
* Yoshiyuki Matsuwaki (24)

##### Pool C

| Pos | Teamvte | Pld | W | L | PF | PA | PD | Qualification |
| 1 | Japan | 5 | 5 | 0 | 86 | 46 | +40 | Quarterfinals |
| 2 | Qatar | 5 | 4 | 1 | 74 | 43 | +31 | Quarterfinals |
| 3 | Syria | 5 | 3 | 2 | 62 | 76 | −14 | |
| 4 | Nepal | 5 | 2 | 3 | 59 | 74 | −15 | |
| 5 | Jordan | 5 | 1 | 4 | 43 | 85 | −42 | |
| — | Maldives | 5 | 0 | 5 | 0 | 0 | 0 | |
* 21 August 17:10
| Japan | 22–11 | Nepal |
| Pts: Matsuwaki 11 | | Pts: Maharjan, Bhandari 4 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Rulyov (KAZ), Al-Harthi (OMA)
* 21 August 19:20
| Jordan | 7–22 | Japan |
| Pts: Juha 5 | | Pts: Arakawa 10 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Ho (HKG), Lim (MAS)
* 24 August 16:20
| Japan | vs. | Maldives |
| Forfeit |||
* Gelora Bung Karno Tennis Center Court, Jakarta
* 24 August 16:00
| Japan | 21–15 | Qatar |
| Pts: Matsuwaki 10 | | Pts: Muslić 8 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Ho (HKG), Shi (CHN)

##### Quarter-final

* 26 August 16:30
| Japan | 13–21 | Thailand |
| Pts: Matsuwaki 10 | | Pts: Korsah-dick 10 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Ho (HKG), Quinn (INA)

#### Women's tournament
##### Roster

The following is the Japan roster in the women's 3x3 basketball tournament of the 2018 Asian Games.
* Ririka Okuyama (4)
* Norika Konno (8)
* Miwa Kuribayashi (16)
* Kiho Miyashita (18)

##### Pool B

| Pos | Teamvte | Pld | W | L | PF | PA | PD | Qualification |
| 1 | Japan | 3 | 3 | 0 | 57 | 15 | +42 | Quarterfinals |
| 2 | Chinese Taipei | 3 | 2 | 1 | 50 | 32 | +18 | Quarterfinals |
| 3 | Mongolia | 3 | 1 | 2 | 23 | 54 | −31 | |
| 4 | Nepal | 3 | 0 | 3 | 23 | 52 | −29 | |
* 22 August 15:40
| Mongolia | 1–22 | Japan |
| Pts: Khulan 1 | | Pts: Okuyama 10 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Lim (MAS), Quinn (INA)
* 22 August 18:20
| Japan | 14–10 | Chinese Taipei |
| Pts: Miyashita 6 | | Pts: Wang J.T. 4 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Shi (CHN), Tan (SGP)
* 25 August 20:50
| Japan | 21–4 | Nepal |
| Pts: Konno 8 | | Pts: Malla 3 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Al-Harthi (OMA), Ibragimow (TKM)

##### Quarter-final

* 26 August 15:30
| Japan | 15–6 | Indonesia |
| Pts: Okuyama, Mawuli 5 | | Pts: Apriyani 3 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Shi (CHN), Liu (MAS)

##### Semifinal

* 26 August 17:30
| Japan | 21–16 | Thailand |
| Pts: Mawuli 8 | | Pts: Bunsinprom 8 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Shi (CHN), Al-Harthi (OMA)

##### Gold medal game

* 26 August 20:30
| China | 21–10 | Japan |
| Pts: Li Y.Y., Jiang J.Y. 7 | | Pts: Mawuli 4 |
* Gelora Bung Karno Tennis Center Court, Jakarta Referees: Lim (MAS), Rulyov (KAZ)

## Bowling
### Men

| Athlete | Event | Block 1 | Block 2 | Total | Rank | Stepladder final 1 | Stepladder final 2 | Rank |
| Athlete | Event | Result | Result | Total | Rank | Opposition Result | Opposition Result | Rank |
| Shusako Asato | Masters | 1859 | 1775 | 3634 | 11 | Did not advance | Did not advance | Did not advance |
| Takayu Miyazawa | Masters | 1882 | 2000 | 3882 | 5 | Did not advance | Did not advance | Did not advance |
| Tomoyuki Sasaki Shogo Wada Shusaku Asato | Trios | 2286 | 2058 | 4344 | | — | — | — |
| Daisuke Yoshida Takuya Miyazawa Shota Koki | Trios | 2132 | 2024 | 4156 | 8 | — | — | — |
| Tomoyuki Sasaki Shogo Wada Shusaku Asato Daisuke Yoshida Takuya Miyazawa Shota Koki | Team of six | 4127 | 4004 | 8131 | 4 | — | — | — |

### Women

| Athlete | Event | Block 1 | Block 2 | Total | Rank | Stepladder final 1 | Stepladder final 2 | Rank |
| Athlete | Event | Result | Result | Total | Rank | Opposition Result | Opposition Result | Rank |
| Mirai Ishimoto | Masters | 1966 | 1982 | 3948 | 1 Q | Bye | Lee Y-j (KOR) W 481–473 | |
| Yuri Sato | Masters | 1847 | 1870 | 3717 | 8 | Did not advance | Did not advance | Did not advance |
| Yuri Sato Megumi Kitamura Hikaru Takekawa | Trios | 1891 | 1966 | 3857 | 12 | — | — | — |
| Mirai Ishimoto Futaba Imai Misaki Mukotani | Trios | 1845 | 1928 | 3773 | 14 | — | — | — |
| Yuri Sato Megumi Kitamura Hikaru Takekawa Mirai Ishimoto Futaba Imai Misaki Mukotani | Team of six | 3917 | 3961 | 7878 | 6 | — | — | — |

## Boxing
### Men

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Tomoya Tsuboi | –49 kg | T Wangdi (BHU) W 5–0 | T Zhussupov (KAZ) L 2–3 | Did not advance | Did not advance | Did not advance | Did not advance |
| Ryomei Tanaka | –52 kg | G Solanki (IND) W 5–0 | G Gan-Erdene (MGL) L 1–4 | Did not advance | Did not advance | Did not advance | Did not advance |
| Hayato Tsutsumi | –56 kg | K Enkh-Amar (MGL) L 2–3 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Arashi Morisaka | –60 kg | H Imankuliyev (TKM) L 0–5 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Daisuke Narimatsu | –64 kg | Bye | L Gha (INA) W 5–0 | K Aal Ezirej (IRQ) W 4–0 | I Kholdarov (UZB) L 0–5 | Did not advance | |
| Issei Aramoto | –69 kg | Bye | S Kazemzadeh (IRI) L 0–5 | Did not advance | Did not advance | Did not advance | Did not advance |
| Yuito Moriwaki | –75 kg | A Khankhokkhruea (THA) L 2–3 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

### Women

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Madoka Wada | –51 kg | Bye | A Koddithuwakku (SRI) W 4–1 | Pang C-m (PRK) L RSC | Did not advance | Did not advance | Did not advance |

## Canoeing
### Slalom

| Athlete | Event | Heats | Heats | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Best | Rank | Time | Rank | Time | Rank |
| Takuya Haneda | Men's C-1 | 91.27 | 5 Q | 92.63 | 2 Q | 90.06 | |
| Shota Sasaki | Men's C-1 | 93.40 | 8 Q | 92.90 | 3 | Did not advance | Did not advance |
| Kazuya Adachi | Men's K-1 | 86.77 | 5 Q | 86.10 | 2 Q | 90.26 | |
| Taku Yoshida | Men's K-1 | 81.67 | 2 Q | 86.49 | 3 | Did not advance | Did not advance |
| Ren Mishima | Women's C-1 | 110.59 | 3 Q | 122.62 | 3 Q | 116.96 | 4 |
| Aki Yazawa | Women's K-1 | 88.82 | 1 Q | 100.50 | 2 Q | 95.83 | |
| Yuriko Takeshita | Women's K-1 | 104.91 | 4 Q | 105.05 | 4 | Did not advance | Did not advance |

### Sprint

| Athlete | Event | Heats | Heats | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Kaiki Oshiro | Men's C-1 1000 m | — | — | — | — | 4:11.232 | 5 |
| Hikaru Sato Takanori Tome | Men's C-2 1000 m | — | — | — | — | 4:00.763 | 7 |
| Momotaro Matsushita | Men's K-1 200 m | 38.079 | 2 QF | Bye | Bye | 37.163 | 7 |
| Keiji Mizumoto Seiji Komatsu | Men's K-2 1000 m | 3:41.327 | 3 QF | Bye | Bye | 3:35.207 | 5 |
| Hiroki Fujishima Momotaro Matsushita Seiji Komatsu Keiji Mizumoto | Men's K-4 500 m | 1:25.628 | 1 QF | Bye | Bye | 1:26.939 | 4 |
| Megumi Tsubota | Women's C-1 200 m | 54.278 | 5 QS | 50.758 | 1 QF | 53.520 | 9 |
| Manaka Kubota Teruko Kiriake | Women's C-2 500 m | — | — | — | — | 2:09.400 | 4 |
| Yuka Ono | Women's K-1 200 m | 44.016 | 2 QF | Bye | Bye | 43.092 | |
| Yuka Ono | Women's K-1 500 m | — | — | — | — | 2:03.206 | 4 |
| Yuka Ono Hideka Tatara | Women's K-2 500 m | — | — | — | — | 1:49.143 | |
Qualification legend: QF=Final; QS=Semifinal

### Canoe polo (demonstration)

| Athlete | Event | 1st round (qualification) | 1st round (qualification) | 2nd round (loser pool) | 2nd round (loser pool) | Semifinal | Final / BM | Final / BM |
| Athlete | Event | Opposition Score | Rank | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Yuuki Horie Hiroki Horiuchi Takayuki Igawa Ryota Kimura Katsuyuki Shibata Takahiko Yanagi | Men's tournament | Chinese Taipei (TPE): W 7–4 Hong Kong (HKG): W 24–0 Thailand (THA): W 21–0 | 1 Q | Bye | Bye | Iran (IRI) W 9–8 | Malaysia (MAS) W 8–2 | |
| | Women's tournament | Chinese Taipei (TPE): L 2–7 Hong Kong (HKG): W 15–1 Thailand (THA): W 9–3 | 2 Q | Bye | Bye | Singapore (SGP) L 1–4 | Chinese Taipei (TPE) L 3–11 | 4 |

## Contract bridge
### Men

| Athlete | Event | Qualification | Qualification | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Point | Rank | Point | Rank | Point | Rank |
| Kazuo Furuta Hiroki Yokoi | Pair | 1654.4 | 4 Q | 1015.2 | 16 | Did not advance | Did not advance |
| Tadashi Teramoto Shugo Tanaka | Pair | 1605.2 | 9 Q | 1041.8 | 13 | Did not advance | Did not advance |
| Masayuki Tanaka Hiroshi Kaku | Pair | 1380.1 | 28 | Did not advance | Did not advance | Did not advance | Did not advance |
| Tadashi Teramoto Masayuki Tanaka Hiroshi Kaku Kazuo Furuta Shugo Tanaka Hiroki Yokoi | Team | 151.46 | 7 | Did not advance | Did not advance | Did not advance | Did not advance |

### Mixed

| Athlete | Event | Qualification | Qualification | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Point | Rank | Point | Rank | Point | Rank |
| Takumi Seshimo Tomoe Nakao | Pair | 1312.5 | 2 Q | 742.7 | 4 Q | 314 | 11 |
| Toshihiro Katsube Masako Katsube | Pair | 1140 | 20 | Did not advance | Did not advance | Did not advance | Did not advance |
| Mariko Ueda Tetsuya Ueda | Pair | 1131.7 | 21 | Did not advance | Did not advance | Did not advance | Did not advance |
| Masako Katsube Mariko Ueda Tomoe Nakao Toshihiro Katsube Takumi Seshimo Tetsuya Ueda | Team | 136.44 | 5 | Did not advance | Did not advance | Did not advance | Did not advance |

## Cycling
### BMX

| Athlete | Event | Seeding run | Seeding run | Motos | Motos | Final | Final |
| Athlete | Event | Time | Rank | Point | Rank | Time | Rank |
| Yoshitaku Nagasako | Men's race | 35.22 | 1 | 4 | 1 Q | 33.669 | |
| Jukia Yoshimura | Men's race | 36.53 | 6 | 3 | 1 Q | 38.334 | 6 |
| Sae Hatakeyama | Women's race | 38.35 | 1 | 4 | 1 Q | 1:27.372 | 8 |

### Mountain biking

| Athlete | Event | Final | Final |
| Athlete | Event | Time | Rank |
| Toki Sawada | Men's cross-country | 1:41:10 | 6 |

### Road

| Athlete | Event | Final | Final |
| Athlete | Event | Time | Rank |
| Fumiyuki Beppu | Men's road race | 3:25:25 | |
| Hideto Nakane | Men's road race | 3:25:40 | 5 |
| Miyoko Karami | Women's road race | 3:09:00 | 20 |
| Eri Yonamine | Women's road race | 2:57:07 | |
| Fumiyuki Beppu | Men's time trial | 57:19.20 | |
| Eri Yonamine | Women's time trial | 31:57.26 | |

### Track
#### Sprint

| Athlete | Event | Qualification | Qualification | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Opposition Time | Opposition Time | Opposition Time | Opposition Time | Opposition Time | Rank |
| Tomohiro Fukaya | Men's sprint | 10.052 | 6 | Bye | E Khademi (IRI) W 10.250 | Zhou Y (CHN) W 10.337 | SF Sahrom (MAS) W 10.096 (FA) | A Awang (MAS) L | |
| Yuta Wakimoto | Men's sprint | 9.963 | 4 | Bye | M Daneshvar (IRI) W 10.531 | A Awang (MAS) L | Did not advance | Did not advance | 7 |
| Kayono Maeda | Women's sprint | 11.305 | 8 | — | R Ota (JPN) L | Did not advance | Did not advance | Did not advance | 9 |
| Riyu Ota | Women's sprint | 11.360 | 9 | — | K Maeda (JPN) W 11.464 | Lee WS (HKG) L | Did not advance | Did not advance | 8 |

#### Team sprint

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Time | Rank | Opposition Time | Rank |
| Kazuki Amagai Yudai Nitta Tomohiro Fukaya Yuta Wakimoto$^b$ | Men's team sprint | 44.489 | 4 FB | South Korea (KOR) W 43.899 | |
| Kayono Maeda Riyu Ota | Women's team sprint | 34.132 | 4 FB | South Korea (KOR) L | 4 |
$^b$ Riders who entered the competition but did not participating in any phase of the team event. Qualification legend: FA=Gold medal final; FB=Bronze medal final

#### Pursuit

| Athlete | Event | Qualification | Qualification | Round 1 | Round 1 | Final | Final |
| Athlete | Event | Time | Rank | Opposition Time | Rank | Opposition Time | Rank |
| Ryo Chikatani | Men's pursuit | 4:26.503 | 2 FA | — | — | Park S-h (KOR) L | |
| Kisato Nakamura | Women's pursuit | 3:50.604 | 6 | — | — | Did not advance | Did not advance |
| Shogo Ichimaru Shunsuke Imamura Ryo Chikatani Eiya Hashimoto Keitaro Sawada | Men's team pursuit | 4:12.173 | 5 Q | United Arab Emirates (UAE) W 4:04.222 | 1 FB | Kazakhstan (KAZ) W | |
| Yuya Hashimoto Miho Yoshikawa Kisato Nakamura Yumi Kajihara Nao Suzuki | Women's team pursuit | 4:33.768 | 3 Q | China (CHN) L | 2 FB | Hong Kong (HKG) W | |
$^a$ Riders who participated in the heats only and received medals. Qualification legend: FA=Gold medal final; FB=Bronze medal final

#### Keirin

| Athlete | Event | 1st Round | Repechage | 2nd Round | Final |
| Athlete | Event | Rank | Rank | Rank | Rank |
| Yudai Nitta | Men's keirin | 1 Q | Bye | 2 FA | |
| Yuta Wakimoto | Men's keirin | 1 Q | Bye | 1 FA | 5 |
| Kayono Maeda | Women's keirin | 6 R | 4 | Did not advance | Did not advance |
| Riyu Ota | Women's keirin | 4 R | 1 Q | 4 FB | 8 |
Qualification legend: FA=Gold medal final; FB=Bronze medal final

#### Omnium

| Athlete | Event | Scratch race | Scratch race | Tempo race | Tempo race | Elimination race | Elimination race | Points race | Points race | Total points | Rank |
| Athlete | Event | Rank | Points | Rank | Points | Rank | Points | Rank | Points | Total points | Rank |
| Eiya Hashimoto | Men's omnium | 8 | 26 | 2 | 38 | 1 | 40 | 3 | 15 | 119 | |
| Yumi Kajihara | Women's omnium | 3 | 36 | 1 | 40 | 1 | 40 | 3 | 22 | 138 | |

#### Madison

| Athlete | Event | Points | Laps | Rank |
| Eiya Hashimoto Shunsuke Imamura | Men's madison | 28 | 0 | |
| Yuya Hashimoto Yumi Kajihara | Women's madison | 14 | 0 | 4 |

## Diving
### Men

| Athlete | Event | Preliminaries | Preliminaries | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Sho Sakai | 3 m springboard | 443.65 | 4 Q | 430.80 | 5 |
| Ken Terauchi | 3 m springboard | 413.85 | 6 Q | 431.30 | 4 |
| Kazuki Murakami | 10 m platform | 424.85 | 6 Q | 386.65 | 7 |
| Sho Sakai Ken Terauchi | 3 m synchronized springboard | — | — | 408.57 | |

### Women

| Athlete | Event | Preliminaries | Preliminaries | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Minami Itahashi | 1 m springboard | 235.65 | 7 Q | 226.15 | 6 |
| Sayaka Mikami | 3 m springboard | 312.60 | 3 Q | 321.60 | 4 |
| Hazuki Miyamoto | 3 m springboard | 280.50 | 6 Q | 295.80 | 6 |
| Matsuri Arai | 10 m platform | 314.10 | 5 Q | 341.85 | 5 |
| Sayaka Mikami Hazuki Miyamoto | 3 m synchronized springboard | — | — | 249.90 | 5 |
| Matsuri Arai Minami Itahashi | 10 m synchronized platform | — | — | 301.56 | 4 |

## Equestrian
### Dressage

| Athlete | Horse | Event | Prix St-Georges | Prix St-Georges | Intermediate I | Intermediate I | Intermediate I Freestyle | Intermediate I Freestyle |
| Athlete | Horse | Event | Score | Rank | Score | Rank | Score | Rank |
| Akane Kuroki | Toots | Individual | 69.675 | 5 Q | 65.470 | 16 | Did not advance | Did not advance |
| Kazuki Sado | Djuice | Individual | 68.793 # | 9 Q | 66.674 | 11 | Did not advance | Did not advance |
| Masanao Takahashi | Fabriano 58 | Individual | 69.823 | 4 Q | 70.558 | 4 Q | 69.195 | 9 |
| Shunsuke Terui | Alias Max | Individual | 68.999 | 7 Q | 69.411 | 5 Q | 74.735 | 4 |
| Masanao Takahashi Shunsuke Terui Kazuki Sado Akane Kuroki | See above | Team | 69.499 | | — | — | — | — |

### Eventing

| Athlete | Horse | Event | Dressage | Dressage | Cross-country | Cross-country | Cross-country | Jumping | Jumping | Jumping |
| Athlete | Horse | Event | Penalties | Rank | Penalties | Total | Rank | Penalties | Total | Rank |
| Kenta Hiranaga | Delago | Individual | 29.10 | 5 | 0.00 | 29.10 | 4 Q | 4.00 # | 33.10 | 7 |
| Ryuzo Kitajima | Koko Doro | Individual | 29.60 | 7 | 0.00 | 29.60 | 5 Q | 0.00 | 29.60 | 4 |
| Yoshiaki Oiwa | Bart L Jra | Individual | 22.70 | 2 | 0.00 | 22.70 | 2 Q | 0.00 | 22.70 | |
| Takayuki Yumira | Poacher's Hope | Individual | 30.10 # | 9 | 0.00 # | 30.10 | 6 Q | 0.00 | 30.10 | 5 |
| Yoshiaki Oiwa Kenta Hiranaga Ryuzo Kitajima Takayuki Yumira | See above | Team | 81.40 | 1 | | 81.40 | 1 | | 82.40 | |

### Jumping

| Athlete | Horse | Event | Qualification | Qualification | Qualifier 1 | Qualifier 1 | Qualifier 1 | Qualifier 2 Team Final | Qualifier 2 Team Final | Qualifier 2 Team Final | Final round A | Final round A | Final round A | Final round B | Final round B | Final round B |
| Athlete | Horse | Event | Points | Rank | Penalties | Total | Rank | Penalties | Total | Rank | Penalties | Total | Rank | Penalties | Total | Rank |
| Daisuke Fukushima | Cornet 36 | Individual | 5.12 | 19 | 1 | 6.12 | 12 | 1 | 7.12 | 10 | 0 | 7.12 | 7 | Did not advance | Did not advance | Did not advance |
| Toshiki Masui | Carthagena 6 | Individual | 5.26 # | 20 | 8 # | 13.26 | 25 Q | 9 # | 22.26 | 29 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Shota Ogomori | Sig Iron Man | Individual | 3.11 | 10 | 0 | 3.11 | 6 Q | 0 | 3.11 | 5 Q | 4 | 7.11 | 6 Q | 0 | 7.11 | 5 |
| Taizo Sugitani | Heroine de Muze | Individual | 2.51 | 7 | 0 | 2.51 | 5 Q | 0 | 2.51 | 4 Q | 4 | 6.51 | 5 Q | 0 | 6.51 | 4 |
| Taizo Sugitani Shota Ogomori Toshiki Masui Daisuke Fukushima | See above | Team | 10.74 | 3 | 1 | 11.74 | 2 Q | 1 | 11.74 | | — | — | — | — | — | — |
* – indicates that the score of this rider does not count in the team competition, since only the best three results of a team are counted.

## Esports (demonstration)
### Hearthstone

| Athlete | ID | Event | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | ID | Event | Opposition score | Opposition score | Opposition score | Rank |
| Akasaka Tetsuro | Tredsred | Hearthstone | India L 2–3 | Did not advance | Did not advance | Did not advance |

### Pro Evolution Soccer

| Athlete | ID | Event | Group stage | Group stage | Semifinals | Final / BM | Final / BM |
| Athlete | ID | Event | Oppositions scores | Rank | Opposition score | Opposition score | Rank |
| Naoki Sugimura Tsubasa Aihara | SOFIA Leva | Pro Evolution Soccer | Indonesia: W 2–0 Vietnam: W 2–0 India: W 2–0 | 1 Q | Malaysia W 2–0 | Iran W 2–1 | |

## Fencing
### Individual

| Athlete | Event | Preliminary | Preliminary | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Rank | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Koki Kano | Men's épée | Nguyễn TN (VIE): W 5–4 Chantharapidok (THA): W 5–0 Fong HS (HKG): W 5–2 R Petrov (KGZ): W 5–2 M Esmaeili (IRI): W 5–3 | 1 Q | Bye | Nguyễn TN (VIE) W 15–13 | K Minobe (JPN) W 15–6 | Park S-y (KOR) L 11–15 | Did not advance | |
| Kazuyasu Minobe | Men's épée | K Baudunov (KGZ): L 1–5 Ho WH (HKG): W 5–2 M Mirzaei (QAT): W 5–1 R Kurbanov (KAZ): W 5–2 R Pratama (INA): W 5–3 | 2 Q | R Pratama (INA) W 15–8 | Koh IJ (MAS) W 15–10 | K Kano (JPN) L 6–15 | Did not advance | Did not advance | 6 |
| Toshiya Saito | Men's foil | H Yoong (MAS): W 5–0 S Lama (NEP): W 5–2 M Zulfikar (INA): W 5–1 Son Y-k (KOR): L 1–5 A Owaida (QAT): W 5–0 | 2 Q | Bye | Chen C-c (TPE) W 15–12 | Cheung KL (HKG) L 3–15 | Did not advance | Did not advance | 5 |
| Takahiro Shikine | Men's foil | C Theara (CAM): W 5–0 MP Bhatt (NEP): W 5–0 Huang MK (CHN): W 5–3 JI Lim (SGP): W 5–1 Hoàng NH (VIE): W 5–3 | 1 Q | Bye | KJ Chan (SGP) L 12–15 | Did not advance | Did not advance | Did not advance | 9 |
| Kenta Tokunan | Men's sabre | Kitsiriboon (THA): W 5–4 N Karim (KAZ): W 5–2 Gu B-g (KOR): L 0–5 A Al-Hammadi (UAE): W 5–0 | 2 Q | Bye | Nguyễn XL (VIE) W 15–9 | Oh S-u (KOR) L 4–15 | Did not advance | Did not advance | 6 |
| Kento Yoshida | Men's sabre | A Pakdaman (IRI): L 2–5 Lam HC (HKG): W 5–0 A Salmanpoor (QAT): W 5–1 IA Setiawan (INA): L 4–5 Nguyễn XL (VIE): L 4–5 | 4 Q | Bye | Oh S-u (KOR) L 7–15 | Did not advance | Did not advance | Did not advance | 14 |
| Shiori Komata | Women's épée | K Thanee (THA): W 5–3 V Kong (HKG): L 2–5 T Al-Abdulla (QAT): W 5–2 K Ganbold (MGL): W 5–3 Nguyễn TNH (VIE): W 5–2 | 2 Q | Bye | C Lim (SGP) W 15–10 | Sun YW (CHN) L 5–15 | Did not advance | Did not advance | 8 |
| Kanna Oishi | Women's épée | Megawati (INA): W 5–2 JS Singh (IND): W 5–1 Kang Y-m (KOR): L 3–4 Trần TTT (VIE): W 5–2 N Salameh (LBN): W 5–4 | 2 Q | Bye | K Thanee (THA) W 15–14 | Kang Y-m (KOR) L 8–15 | Did not advance | Did not advance | 6 |
| Sera Azuma | Women's foil | MI Esteban (PHI): W 5–4 A Berthier (SGP): W 5–3 Huo XX (CHN): W 5–1 M Ananda (INA): W 5–1 T Fong (MAS): W 5–1 | 1 Q | Bye | MI Esteban (PHI) W 15–8 | K Miyawaki (JPN) W 15–7 | Jeon H-s (KOR) L 9–15 | Did not advance | |
| Karin Miyawaki | Women's foil | Fu YT (CHN): L 0–5 Thongchampa (THA): W 5–0 Ho KU (MAC): W 5–2 SK Catantan (PHI): W 5–2 RA Jaoude (LBN): W 5–2 | 2 Q | Bye | Đỗ TA (VIE) W 15–10 | S Azuma (JPN) L 7–15 | Did not advance | Did not advance | 6 |
| Shihomi Fukushima | Women's sabre | C Linly (CAM): W 5–3 R Thapa (NEP): W 5–0 D Permatasari (INA): W 5–3 FR Delcheh (IRI): W 5–3 Yoon J-s (KOR): W 5–1 | 1 Q | Bye | T Pokeaw (THA) W 15–3 | Shao YQ (CHN) L 12–15 | Did not advance | Did not advance | 5 |
| Norika Tamura | Women's sabre | K Shreshta (NEP): W 5–0 Qian JR (CHN): L 3–5 Bùi TTH (VIE): W 5–2 Au SY (HKG): W 5–3 Y Ariunzayaa (MGL): W 5–1 | 2 Q | Bye | Y Lau (SGP) W 15–7 | Yoon J-s (KOR) W 15–13 | Shao YQ (CHN) L 14–15 | Did not advance | |

### Team

| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Koki Kano Kazuyasu Minobe Satoru Uyama Masaru Yamada | Men's épée | Pakistan (PAK) W 45–19 | Uzbekistan (UZB) W 45–38 | Kazakhstan (KAZ) W 45–36 | China (CHN) W 30–22 | |
| Kyosuke Matsuyama Toshiya Saito Takahiro Shikine Kenta Suzumura | Men's foil | Bye | Singapore (SGP) W 45–29 | Hong Kong (HKG) L 42–45 | Did not advance | |
| Tomohiro Shimamura Kaito Streets Kenta Tokunan Kento Yoshida | Men's sabre | Bye | China (CHN) L 24–45 | Did not advance | Did not advance | 6 |
| Haruna Baba Shiori Komata Kanna Oishi Ayumi Yamada | Women's épée | Bye | Singapore (SGP) W 45–38 | South Korea (KOR) L 33–45 | Did not advance | |
| Sera Azuma Karin Miyawaki Komaki Kikuchi Sumire Tsuji | Women's foil | Bye | Lebanon (LBN) W 45–9 | South Korea (KOR) W 45–36 | China (CHN) W 35–34 | |
| Chika Aoki Shihomi Fukushima Risa Takashima Norika Tamura | Women's sabre | Bye | Indonesia (INA) W 45–22 | South Korea (KOR) L 25–45 | Did not advance | |

## Field hockey

Japan men's and women's team qualified automatically via 2014 Asian Games, both teams were placed in the pool A respectively.

### Summary

| Team | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Group stage | Semifinal | Final / BM | Final / BM |
| Team | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Japan men's | Men's tournament | Sri Lanka W 11–0 | Indonesia W 3–1 | India L 0–8 | Hong Kong W 13–0 | South Korea W 3–2 | 2 Q | Pakistan W 1–0 | Malaysia W 3–1$^P$ FT: 6–6 | |
| Japan women's | Women's tournament | Chinese Taipei W 11–0 | Hong Kong W 6–0 | China W 4–2 | Malaysia W 3–1 | — | 1 Q | South Korea W 2–0 | India W 2–1 | |

### Men's tournament
#### Roster

The following is the Japan roster in the men's field hockey tournament of the 2018 Asian Games.
Head coach: Siegfried Aikman
* Koji Yamasaki
* Genki Mitani
* Seren Tanaka
* Hiromasa Ochiai
* Kazuma Murata
* Suguru Hoshi
* Kenta Tanaka
* Kenji Kitazato
* Manabu Yamashita (C)
* Kaito Tanaka
* Kentaro Fukuda
* Masaki Ohashi
* Shota Yamada
* Yusuke Takano (GK)
* Hirotaka Zendana
* Takashi Yoshikawa (GK)
* Kota Watanabe
* Yoshiki Kirishita

#### Pool A

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | India | 5 | 5 | 0 | 0 | 76 | 3 | +73 | 15 | Semi-finals |
| 2 | Japan | 5 | 4 | 0 | 1 | 30 | 11 | +19 | 12 | Semi-finals |
| 3 | South Korea | 5 | 3 | 0 | 2 | 39 | 8 | +31 | 9 | Fifth place game |
| 4 | Sri Lanka | 5 | 2 | 0 | 3 | 7 | 41 | −34 | 6 | Seventh place game |
| 5 | Indonesia (H) | 5 | 1 | 0 | 4 | 5 | 40 | −35 | 3 | Ninth place game |
| 6 | Hong Kong | 5 | 0 | 0 | 5 | 3 | 57 | −54 | 0 | Eleventh place game |
* 20 August 2018 14:00
| Japan | 11–0 | Sri Lanka |
| Zendana 2' Ke. Tanaka 9', 19' Yamashita 11' Yamasaki 13', 28' Mitani 14' Murata 32', 34', 54' Kirishita 52' | Report | |
* Umpires: Gareth Greenfield (NZL) Salim Lucky (BAN)
* 22 August 2018 18:00
| Indonesia | 1–3 | Japan |
| Rahmad 18' | Report | Zendana 14' Murata 43' Ke. Tanaka 49' |
* Umpires: Salim Lucky (BAN) Ilanggo Kanabathu (MAS)
* 24 August 2018 20:00
| Japan | 0–8 | India |
| | Report | S. V. Sunil 7' Dilpreet 12' Rupinder 17', 38' Mandeep 32', 57' Akashdeep 46' Prasad 47' |
* Umpires: Ilanggo Kanabathu (MAS) Federico Garcia (URU)
* 26 August 2018 12:00
| Hong Kong | 0–13 | Japan |
| | Report | S. Tanaka 10' Ka. Tanaka 10', 29' Ke. Tanaka 22', 38' Zendana 24' Ochiai 27' Yamasaki 30', 41' Fukuda 44', 51' Murata 47' Yamada 59' |
* Umpires: You Suolong (CHN) Hafiz Atif Latif (PAK)
* 28 August 2018 20:00
| Japan | 3–2 | South Korea |
| Murata 28', 46', 49' | Report | Kim J 39' Jang 48' |
* Umpires: Rawi Anbananthan (MAS) Gus Soteriades (USA)

#### Semifinal

* 30 August 2018 20:00
| Pakistan | 0–1 | Japan |
| | Report | Yamada 18' |
* Umpires: Javed Shaikh (IND) Federico Garcia (URU)

#### Gold medal game

* 1 September 2018 20:00
| Malaysia | 6–6 | Japan |
| Razie 4' Tajuddin 11', 12', 59' Faizal 17' Amirol 50' | Report | S. Tanaka 9' Ke. Tanaka 23', 53' Ka. Tanaka 52' Yamasaki 58' Ochiai 60' |
| Penalties |||
| Firhan Faizal M. Hasan Tajuddin | 1–3 | Yamasaki Ke. Tanaka S. Tanaka Ochiai Murata |
* Umpires: Javed Shaikh (IND) Kim Hong-lae (KOR)

### Women's tournament
#### Roster

The following is the Japan roster in the women's field hockey tournament of the 2018 Asian Games.
Head coach: Anthony Farry
* Megumi Kageyama (GK)
* Natsuki Naito
* Akiko Ota
* Emi Nishikori
* Shihori Oikawa
* Kimika Hoshi
* Mayumi Ono
* Yukari Mano
* Akiko Kato
* Hazuki Nagai
* Minami Shimizu
* Yuri Nagai
* Aki Yamada
* Maho Segawa
* Yui Ishibashi
* Mami Karino
* Motomi Kawamura (C)
* Akio Tanaka (GK)

#### Pool A

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | Japan | 4 | 4 | 0 | 0 | 24 | 3 | +21 | 12 | Semifinals |
| 2 | China | 4 | 2 | 1 | 1 | 28 | 6 | +22 | 7 | Semifinals |
| 3 | Malaysia | 4 | 2 | 1 | 1 | 22 | 5 | +17 | 7 | 5th place game |
| 4 | Chinese Taipei | 4 | 1 | 0 | 3 | 3 | 33 | −30 | 3 | 7th place game |
| 5 | Hong Kong | 4 | 0 | 0 | 4 | 2 | 32 | −30 | 0 | 9th place game |
* 19 August 2018 16:00
| Japan | 11–0 | Chinese Taipei |
| H Nagai 3', 6', 20', 43', 54' Kawamura 9', 13', 21', 52' Nishikori 32' Karino 59' | Report | |
* Umpires: Suzi Sutton (USA) Binish Hayat (PAK)
* 21 August 2018 14:00
| Japan | 6–0 | Hong Kong |
| Yamada 11', 42' Ono 26' Aikawa 33' Nishikori 37', 59' | Report | |
* Umpires: Ayanna McClean (TTO) Ornpimol Kittiteerasopon (THA)
* 25 August 2018 18:00
| Japan | 4–2 | China |
| Shimizu 4', 8' Oikawa 19' Kato 26' | Report | Gu 12', 32' |
* Umpires: Kelly Hudson (NZL) Kim Yoon-seon (KOR)
* 27 August 2018 20:00
| Malaysia | 1–3 | Japan |
| Zulkifli 47' | Report | Karino 21' Nagai 38', 50' |
* Umpires: Suzi Sutton (USA) Ayanna McClean (TTO)

#### Semifinal

* 29 August 2018 17:30
| Japan | 2–0 | South Korea |
| Ota 49' Shimizu 60' | Report | |
* Umpires: Kelly Hudson (NZL) Chen Jianjun (CHN)

#### Gold medal game

* 31 August 2018 20:00
| Japan | 2–1 | India |
| Shimizu 11' Kawamura 44' | Report | Goyal 25' |
* Umpires: Kelly Hudson (NZL) Liu Xiaoying (CHN)

## Football

Japan men's team were drawn in group D, while the women's team in group C.

### Summary

| Team | Event | Group stage | Group stage | Group stage | Group stage | Round of 16 | Quarterfinal | Semifinal | Final / BM | Final / BM |
| Team | Event | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Japan men's | Men's tournament | Nepal W 1–0 | Pakistan W 4–0 | Vietnam L 0-1 | 2 Q | Malaysia W 1–0 | Saudi Arabia W 2–1 | United Arab Emirates W 1–0 | South Korea L 1-2 | |
| Japan women's | Women's tournament | — | Thailand W 2–0 | Vietnam W 7–0 | 1 Q | — | North Korea W 2–1 | South Korea W 2–1 | China W 1–0 | |

### Men's tournament
#### Roster

The following is the Japan squad in the men's football tournament of the 2018 Asian Games. The team of 20 players was officially named on 3 August. Kakeru Funaki was initially called up, but had to pull out due to injury, with Takuma Ominami being called up to replace him.
Head coach: Hajime Moriyasu
| No. | Pos. | Player | Date of birth (age) | Club |
| 1 | 1GK | Ryosuke Kojima | (1997-01-30)30 January 1997 (aged 21) | Waseda University |
| 12 | 1GK | Powell Obinna Obi | (1997-12-18)18 December 1997 (aged 20) | Ryutsu Keizai University |
| 3 | 2DF | Makoto Okazaki | (1998-10-10)10 October 1998 (aged 19) | FC Tokyo |
| 4 | 3MF | Ko Itakura | (1997-01-27)27 January 1997 (aged 21) | Vegalta Sendai |
| 5 | 2DF | Daiki Sugioka | (1998-09-08)8 September 1998 (aged 19) | Shonan Bellmare |
| 7 | 2DF | Teruki Hara | (1998-07-30)30 July 1998 (aged 20) | Albirex Niigata |
| 19 | 2DF | Takuma Ominami | (1997-12-13)13 December 1997 (aged 20) | Júbilo Iwata |
| 20 | 2DF | Yugo Tatsuta | (1998-06-21)21 June 1998 (aged 20) | Shimizu S-Pulse |
| 2 | 3MF | Yoichi Naganuma | (1997-04-14)14 April 1997 (aged 21) | Montedio Yamagata |
| 6 | 3MF | Ryo Hatsuse | (1997-07-10)10 July 1997 (aged 21) | Gamba Osaka |
| 8 | 3MF | Kaoru Mitoma | (1997-05-20)20 May 1997 (aged 21) | University of Tsukuba |
| 10 | 3MF | Koji Miyoshi | (1997-03-26)26 March 1997 (aged 21) | Kawasaki Frontale |
| 11 | 3MF | Keita Endo | (1997-11-22)22 November 1997 (aged 20) | Yokohama F. Marinos |
| 13 | 3MF | Yuto Iwasaki | (1998-06-11)11 June 1998 (aged 20) | Kyoto Sanga |
| 14 | 3MF | Taishi Matsumoto | (1998-08-22)22 August 1998 (aged 19) | Sanfrecce Hiroshima |
| 16 | 3MF | Kota Watanabe | (1998-10-18)18 October 1998 (aged 19) | Tokyo Verdy |
| 17 | 3MF | Yuta Kamiya | (1997-04-24)24 April 1997 (aged 21) | Ehime FC |
| 9 | 4FW | Reo Hatate | (1997-11-21)21 November 1997 (aged 20) | Juntendo University |
| 15 | 4FW | Ayase Ueda | (1998-08-28)28 August 1998 (aged 19) | Hosei University |
| 18 | 4FW | Daizen Maeda | (1997-10-20)20 October 1997 (aged 20) | Matsumoto Yamaga |
* Over-aged player.

#### Group D

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Vietnam | 3 | 3 | 0 | 0 | 6 | 0 | +6 | 9 | Advance to knockout stage |
| 2 | Japan | 3 | 2 | 0 | 1 | 5 | 1 | +4 | 6 | Advance to knockout stage |
| 3 | Pakistan | 3 | 1 | 0 | 2 | 2 | 8 | −6 | 3 | |
| 4 | Nepal | 3 | 0 | 0 | 3 | 1 | 5 | −4 | 0 | |

#### Gold medal game
### Women's tournament
#### Roster

The following is the Japan squad in the women's football tournament of the 2018 Asian Games.
Head coach: Asako Takakura
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
| 1 | 1GK | Sakiko Ikeda | (1992-09-08)8 September 1992 (aged 25) | 13 | 0 | Urawa Red Diamonds |
| 18 | 1GK | Ayaka Yamashita | (1995-09-29)29 September 1995 (aged 22) | 20 | 0 | NTV Beleza |
| 2 | 2DF | Risa Shimizu | (1996-06-15)15 June 1996 (aged 22) | 13 | 0 | NTV Beleza |
| 3 | 2DF | Aya Sameshima | (1987-06-16)16 June 1987 (aged 31) | 96 | 5 | INAC Kobe Leonessa |
| 4 | 2DF | Shiori Miyake | (1995-10-13)13 October 1995 (aged 22) | 12 | 0 | INAC Kobe Leonessa |
| 5 | 2DF | Hikari Takagi | (1993-05-21)21 May 1993 (aged 25) | 18 | 1 | Nojima Stella Kanagawa Sagamihara |
| 6 | 2DF | Saori Ariyoshi | (1987-11-01)1 November 1987 (aged 30) | 58 | 1 | NTV Beleza |
| 17 | 2DF | Aimi Kunitake | (1997-01-10)10 January 1997 (aged 21) | 1 | 0 | Nojima Stella Kanagawa Sagamihara |
| 7 | 3MF | Emi Nakajima | (1990-09-27)27 September 1990 (aged 27) | 59 | 12 | INAC Kobe Leonessa |
| 10 | 3MF | Yuka Momiki | (1996-04-09)9 April 1996 (aged 22) | 15 | 3 | NTV Beleza |
| 12 | 3MF | Rika Masuya | (1995-09-14)14 September 1995 (aged 22) | 25 | 5 | INAC Kobe Leonessa |
| 13 | 3MF | Yu Nakasato | (1994-07-14)14 July 1994 (aged 24) | 18 | 0 | NTV Beleza |
| 14 | 3MF | Yui Hasegawa | (1997-01-29)29 January 1997 (aged 21) | 25 | 3 | NTV Beleza |
| 15 | 3MF | Moeno Sakaguchi | (1992-06-04)4 June 1992 (aged 26) | 4 | 1 | Albirex Niigata |
| 16 | 3MF | Rin Sumida | (1996-01-12)12 January 1996 (aged 22) | 17 | 0 | NTV Beleza |
| 8 | 4FW | Mana Iwabuchi | (1993-03-18)18 March 1993 (aged 25) | 56 | 16 | INAC Kobe Leonessa |
| 9 | 4FW | Yuika Sugasawa | (1990-10-05)5 October 1990 (aged 27) | 54 | 13 | Urawa Red Diamonds |
| 11 | 4FW | Mina Tanaka | (1994-04-28)28 April 1994 (aged 24) | 30 | 12 | NTV Beleza |

#### Group C

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Japan | 2 | 2 | 0 | 0 | 9 | 0 | +9 | 6 | Advance to Knockout stage |
| 2 | Vietnam | 2 | 1 | 0 | 1 | 3 | 9 | −6 | 3 | Advance to Knockout stage |
| 3 | Thailand | 2 | 0 | 0 | 2 | 2 | 5 | −3 | 0 | Advance to Knockout stage |

#### Gold medal game
## Golf
### Men

| Athlete | Event | Round 1 | Round 2 | Round 3 | Round 4 | Total | Total | Total |
| Athlete | Event | Score | Score | Score | Score | Score | Par | Rank |
| Keita Nakajima | Individual | 68 | 68 | 70 | 71 | 277 | −11 | |
| Ren Yonezawa | Individual | 70 | 71 | 74 | 71 | 286 | −2 | 13 |
| Daiki Imano | Individual | 73 | 68 | 69 | 74 | 284 | −4 | 8 |
| Takumi Kanaya | Individual | 70 | 70 | 73 | 68 | 281 | −7 | 4 |
| Keita Nakajima Ren Yonezawa Daiki Imano Takumi Kanaya | Team | 208 | 206 | 212 | 210 | 836 | –28 | |

### Women

| Athlete | Event | Round 1 | Round 2 | Round 3 | Round 4 | Total | Total | Total |
| Athlete | Event | Score | Score | Score | Score | Score | Par | Rank |
| Sae Ogura | Individual | 69 | 72 | 77 | 76 | 294 | +6 | 20 |
| Riri Sadoyama | Individual | 69 | 72 | 73 | 78 | 292 | +4 | 17 |
| Ayaka Furue | Individual | 67 | 70 | 74 | 68 | 279 | −9 | 4 |
| Sae Ogura Riri Sadoyama Ayaka Furue | Team | 136 | 142 | 147 | 144 | 569 | −7 | 5 |

## Handball

Japan men's and women's team were drawn in group B respectively.

### Summary

Key:
* ET – After extra time
* P – Match decided by penalty-shootout.
| Team | Event | Preliminary | Standing | Main / Class. | Rank / standing | Semifinals / Pl. | Final / BM / Pl. | Final / BM / Pl. |
| Team | Event | Opposition score | Standing | Opposition score | Rank / standing | Opposition score | Opposition score | Rank |
| Japan men's | Men's tournament | Group B Pakistan: W 38–15 South Korea: D 26–26 | 2 Q | Group I Saudi Arabia: D 26–26 Iraq: W 27–24 Qatar: L 24–17 | 2 Q | Bahrain L 20–31 | South Korea L 23–24 | 4 |
| Japan women's | Women's tournament | Group B Thailand: W 41–16 Hong Kong: W 41–13 Malaysia: W 64–3 Indonesia: W 62–6 | 1 Q | — | — | China L 31–32 | Thailand W 43–14 | |

### Men's tournament
#### Roster

* Hozuki Higashinagahama
* Kenya Kasahara
* Akihito Kai
* Kohei Narita
* Jin Watanabe
* Motoki Sakai
* Hiroki Shida
* Hiroki Motoki
* Hiroyasu Tamakawa
* Kairi Kochi
* Tatsuki Yoshino
* Yuto Agarie
* Naohiro Hamaguchi
* Daichi Komuro
* Tetsuya Kadoyama

#### Group B

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | South Korea | 2 | 1 | 1 | 0 | 73 | 42 | +31 | 3 | Main round / Group 1–2 |
| 2 | Japan | 2 | 1 | 1 | 0 | 64 | 41 | +23 | 3 | Main round / Group 1–2 |
| 3 | Pakistan | 2 | 0 | 0 | 2 | 31 | 85 | −54 | 0 | Main round / Group 3 |
* 1 2 Head-to-head result: KOR 26–26 JPN. Overall goal difference was used as the tiebreaker.
| 15 August 14:00 | Japan | 38–15 | Pakistan | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |
| 15 August 14:00 | Shida 7 | (20–7) | M. Hussain 5 | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |
| 15 August 14:00 | 3× 2× | | 2× 1× | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |
| 17 August 9:00 | South Korea | 26–26 | Japan | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 17 August 9:00 | Kim D.C. 10 | (13–13) | Motoki, Agarie 6 | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 17 August 9:00 | 3× 5× | | 3× 5× | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |

#### Main round (Group I)

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Qatar | 3 | 3 | 0 | 0 | 78 | 60 | +18 | 6 | Semifinals |
| 2 | Japan | 3 | 1 | 1 | 1 | 70 | 74 | −4 | 3 | Semifinals |
| 3 | Saudi Arabia | 3 | 0 | 2 | 1 | 69 | 74 | −5 | 2 | Classification 5th–6th |
| 4 | Iraq | 3 | 0 | 1 | 2 | 64 | 73 | −9 | 1 | Classification 7th–8th |
| 20 August 20:00 | Saudi Arabia | 26–26 | Japan | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 20 August 20:00 | Al-Abbas 8 | (15–11) | Agarie 7 | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 20 August 20:00 | 3× 3× 1× | | 3× 4× | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 22 August 16:00 | Japan | 27–24 | Iraq | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 22 August 16:00 | Motoki 9 | (12–15) | Adnan 5 | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 22 August 16:00 | 1× 2× | | 3× 8× 1× | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 24 August 20:00 | Qatar | 24–17 | Japan | POPKI Sports Hall, Jakarta Referees: Shakir, Kadhim (IRQ) |
| 24 August 20:00 | Zouaoui 6 | (13–10) | Higashinagahama 6 | POPKI Sports Hall, Jakarta Referees: Shakir, Kadhim (IRQ) |
| 24 August 20:00 | 1× 5× | | 2× 4× | POPKI Sports Hall, Jakarta Referees: Shakir, Kadhim (IRQ) |

#### Semifinal

| 27 August 18:00 | Bahrain | 31–20 | Japan | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 27 August 18:00 | Al-Sayyad 10 | (15–9) | Watanabe 7 | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 27 August 18:00 | 2× 4× | | 2× 1× | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |

#### Bronze medal game

| 31 August 16:00 | South Korea | 24–23 | Japan | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 31 August 16:00 | Hwang D.Y. 6 | (13–12) | Watanabe, Agarie 5 | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |
| 31 August 16:00 | 3× | | 3× 2× | POPKI Sports Hall, Jakarta Referees: Al-Marhoon, Al-Mawt (BHR) |

### Women's tournament
#### Roster

* Kimiko Hida
* Mika Nagata
* Kaho Sunami
* Sayo Shiota
* Asuka Fujita
* Aya Yokoshima
* Minami Itano
* Chie Katsuren
* Hitomi Tada
* Natsumi Akiyama
* Nozomi Hara
* Mana Ohyama
* Shiori Nagata
* Miyuki Terada
* Tomomi Kawata
* Mayuko Ishitate

#### Group B

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Japan | 4 | 4 | 0 | 0 | 208 | 38 | +170 | 8 | Semifinals |
| 2 | Thailand | 4 | 3 | 0 | 1 | 120 | 93 | +27 | 6 | Semifinals |
| 3 | Hong Kong | 4 | 2 | 0 | 2 | 112 | 97 | +15 | 4 | Classification 5th–8th |
| 4 | Indonesia | 4 | 1 | 0 | 3 | 56 | 146 | −90 | 2 | Classification 5th–8th |
| 5 | Malaysia | 4 | 0 | 0 | 4 | 45 | 167 | −122 | 0 | Classification 9th–10th |
| 14 August 14:00 | Thailand | 16–41 | Japan | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 14 August 14:00 | Bunjarern 7 | (6–23) | Akiyama 8 | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 14 August 14:00 | 4× 2× | | 3× 4× | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 16 August 14:00 | Hong Kong | 13–41 | Japan | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 16 August 14:00 | Cheung M.N. 6 | (5–18) | Fujita, Akiyama 6 | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 16 August 14:00 | 2× 4× | | 3× 2× | POPKI Sports Hall, Jakarta Referees: Tavakkoli, Valadkhanian (IRI) |
| 19 August 14:00 | Japan | 64–3 | Malaysia | POPKI Sports Hall, Jakarta Referees: Li, Ke (CHN) |
| 19 August 14:00 | Kawata 10 | (32–2) | Yusop 2 | POPKI Sports Hall, Jakarta Referees: Li, Ke (CHN) |
| 19 August 14:00 | | | 2× | POPKI Sports Hall, Jakarta Referees: Li, Ke (CHN) |
| 23 August 18:00 | Indonesia | 6–62 | Japan | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |
| 23 August 18:00 | Apriliani 4 | (4–34) | Kawata 11 | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |
| 23 August 18:00 | 1× 6× | | 2× | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |

#### Semifinal

| 27 August 16:00 | Japan | 31–32 | China | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |
| 27 August 16:00 | Yokoshima, Akiyama 6 | (15–13) | Liu X.M. 11 | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |
| 27 August 16:00 | 2× 2× | | 2× | POPKI Sports Hall, Jakarta Referees: Al-Wahibi, Al-Shahi (OMA) |

#### Bronze medal game

| 30 August 16:00 | Thailand | 14–43 | Japan | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |
| 30 August 16:00 | Bunjarern 6 | (6–20) | Fujita, Akiyama, Kawata 6 | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |
| 30 August 16:00 | 2× 5× | | 3× 2× | POPKI Sports Hall, Jakarta Referees: Lee, Lee (KOR) |

## Judo

All Japan Judo Federation delegate 14 judokas (7 men's and 7 women's) to compete at the Games.
Key:
* 1st number — Ippon
* 2nd number — Waza-ari
* H — Hansuke-make
* s — Shido

### Men

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Repechage | Final / BM | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Toru Shishime | –60 kg | Bye | PK Phok (CAM) W 11–00 | Shang Y (CHN) W 10–00s2 | An J-y (PRK) W 01–00s1 | — | D Urozboev (UZB) L 00s1–01s1 | |
| Joshiro Maruyama | –66 kg | Bye | Wu ZQ (CHN) W 10–00 | A Te (KGZ) W 10s1–00s3 | Y Zhumakanov (KAZ) W 10s1–00 | — | An B-u (KOR) L 00–10 | |
| Shohei Ono | –73 kg | Bye | Qing DG (CHN) W 10–00 | Kim C-g (PRK) W 10–00s1 | V Scvortov (UAE) W 10–00 | — | An C-r (KOR) W 01s2–00s2 | |
| Takeshi Sasaki | –81 kg | Bye | MZ Sarwari (AFG) W 10–00 | S Boltaboev (UZB) W 10s1–00 | D Khamza (KAZ) L 01–10 | Bye | V Zoloev (KGZ) L 00–10s1 | – |
| Mashu Baker | –90 kg | Bye | F Bulekulov (KGZ) W 10–00s3 | I Bozbayev (KAZ) W 10s1–00s3 | Gwak D-h (KOR) L 00s3–10s1 | Bye | S Sabirov (UZB) W 10s1–00s1 | |
| Kentaro Iida | –100 kg | Bye | Li HL (CHN) W 10–00 | B Hojamuhammedov (TKM) W 10–00s1 | L Otgonbaatar (MGL) W 10–00s3 | — | Cho G-h (KOR) W 10s1–00s3 | |
| Takeshi Ojitani | +100 kg | — | Bye | B Oltiboev (UZB) W 11s2–00s1 | Kim S-m (KOR) L 00H–10 | Bye | S Mirmamadov (TJK) L 00–10 | – |

### Women

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Repechage | Final / BM | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Ami Kondo | –48 kg | — | Bye | D Keldiyorova (UZB) W 10–00 | G Otgontsetseg (KAZ) W 10s1–00 | — | Jeong B-k (KOR) L 00s1–01 | |
| Natsumi Tsunoda | –52 kg | Bye | D Khadka (NEP) W 10–00s3 | Chen C-y (TPE) W 10–00 | Rim S-s (PRK) W 10–00 | — | Park D-s (KOR) W 11–00 | |
| Momo Tamaoki | –57 kg | Bye | Y Warasiha (THA) W 10–00 | Kim J-d (KOR) W 10–00 | Lu TJ (CHN) W 10–00 | — | Kim J-a (PRK) W 10–01 | |
| Nami Nabekura | –63 kg | — | Bye | AY Fradivtha (INA) W 10–00 | Tang J (CHN) W 10–00 | — | K Watanabe (PHI) W 10–00 | |
| Saki Niizoe | –70 kg | — | Bye | Zhu Y (CHN) W 10–00 | Z Bektaskyzy (KAZ) W 10–00 | — | Kim S-y (KOR) W 01s1–00 | |
| Ruika Sato | –78 kg | — | Bye | K Chanthakoummane (LAO) W 10–00 | Ma ZZ (CHN) W 10–00s3 | — | Park Y-j (KOR) W 10s1–00s2 | |
| Akira Sone | +78 kg | — | Bye | R Kaur (IND) W 10–00s1 | G Issanova (KAZ) W 10s1–00s3 | — | Kim M-j (KOR) W 01s1–00s2 | |

### Mixed

| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Repechage | Final / BM | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Mashu Baker Masashi Ebinuma Haruka Funakubo Kokoro Kageura Yusuke Kobayashi Saki Niizoe Takeshi Ojitani Shohei Ono Akira Sone Momo Tamaoki Shiho Tanaka Sara Yamamoto | Team | Bye | South Korea (KOR) W 3$^{30}$–3$^{21}$ | China (CHN) W 4–0 | — | Kazakhstan (KAZ) W 4–0 | |

## Kabaddi
### Summary

| Team | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Group stage | Semifinal | Final | Final |
| Team | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank | Opposition score | Opposition score | Rank |
| Japan men's | Men | Iran L 20−55 | Malaysia W 30−20 | Indonesia L 26−34 | Nepal W 31−28 | Pakistan L 14−25 | 4 | Did not advance | Did not advance | 7 |
| Japan women's | Women | India L 12−34 | Indonesia L 22−30 | Sri Lanka L 17−22 | Thailand L 12−43 | — | 5 | Did not advance | Did not advance | 9 |

### Men's tournament
#### Team roster

* Masayuki Shimokawa
* Takamitsu Kono
* Terukazu Nitta
* Kazuhiro Takano
* Tetsuro Abe
* Etsuki Manita
* Masaki Hatakeyama
* Yuten Kawate
* Takuya Kikuchi
* Tetsuya Itagaki

#### Group B

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | Iran | 5 | 5 | 0 | 0 | 289 | 109 | +180 | 10 | Semifinals |
| 2 | Pakistan | 5 | 4 | 0 | 1 | 185 | 98 | +87 | 8 | Semifinals |
| 3 | Indonesia | 5 | 3 | 0 | 2 | 132 | 182 | −50 | 6 | |
| 4 | Japan | 5 | 2 | 0 | 3 | 121 | 162 | −41 | 4 | |
| 5 | Nepal | 5 | 1 | 0 | 4 | 127 | 194 | −67 | 2 | |
| 6 | Malaysia | 5 | 0 | 0 | 5 | 100 | 209 | −109 | 0 | |

### Women's tournament
#### Team roster

* Yoko Ota
* Eri Kasahara
* Miho Echizenya
* Yumi Kaneko
* Minami Ito
* Yukiko Hayafuji
* Mayuko Ito
* Haru Inoue
* Serina Takahashi
* Chiharu Midorikawa

#### Group A

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | India | 4 | 4 | 0 | 0 | 168 | 69 | +99 | 8 | Semifinals |
| 2 | Thailand | 4 | 3 | 0 | 1 | 142 | 75 | +67 | 6 | Semifinals |
| 3 | Sri Lanka | 4 | 2 | 0 | 2 | 83 | 113 | −30 | 4 | |
| 4 | Indonesia | 4 | 1 | 0 | 3 | 84 | 145 | −61 | 2 | |
| 5 | Japan | 4 | 0 | 0 | 4 | 63 | 138 | −75 | 0 | |

## Kurash
### Men

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinal | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Kohei Soeda | –81 kg | H Al-Jarrah (YEM) W 012−001 | O Tiztak (IRI) L 000−013 | Did not advance | Did not advance | Did not advance | Did not advance |
| Tatsumi Kawaguchi | +90 kg | Nguyễn CHL (VIE) W 101−001 | M Khisomiddinov (UZB) L 000−100 | Did not advance | Did not advance | Did not advance | Did not advance |

## Modern pentathlon

Japan entered four pentathletes (2 men's and 2 women's) at the Games.
| Athlete | Event | Swimming (200 m freestyle) | Swimming (200 m freestyle) | Fencing (épée one touch) | Fencing (épée one touch) | Riding (show jumping) | Riding (show jumping) | Laser-run (shooting 10 m air pistol/ running 3200 m) | Laser-run (shooting 10 m air pistol/ running 3200 m) | Total points | Final rank |
| Athlete | Event | Rank | MP points | Rank | MP points | Rank | MP points | Rank | MP points | Total points | Final rank |
| Shohei Iwamoto | Men's | 6 | 305 | 7 | 202 | 8 | 280 | 7 | 580 | 1367 | 8 |
| Tomoyuki Ono | Men's | 5 | 311 | 4 | 226 | 4 | 298 | 8 | 571 | 1406 | 6 |
| Rena Shimazu | Women's | 2 | 291 | 11 | 181 | 3 | 293 | 6 | 518 | 1283 | 4 |
| Natsumi Tomonaga | Women's | 4 | 287 | 5 | 226 | 7 | 234 | 5 | 525 | 1272 | 5 |

## Paragliding
### Men

| Athlete | Event | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Total | Rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Total | Rank |
| Yoshiaki Hirokawa | Individual accuracy | 13 | 500 | 20 | 5 | 3 | 31 | 500 | 22 | 284 | 4 | 882 | 17 |
| Yoshiki Kuremoto | Individual accuracy | 20 | 169 | 9 | 1 | 6 | 206 | 244 | 13 | 2 | 134 | 387 | 9 |
| Yoshiaki Hirokawa Takuo Iwasaki Taro Kamiyama Yoshiki Kuremoto Yoshiaki Nakagawa | Team accuracy | 870 | 1133 | 146 | 466 | 1373 | 981 | — | — | — | — | 4969 | 9 |
| Yoshiaki Hirokawa Takuo Iwasaki Taro Kamiyama Yoshiki Kuremoto Yoshiaki Nakagawa | Cross-country | 2024 | 741 | 3296 | 3273 | 2057 | — | — | — | — | — | 11391 | |

### Women

| Athlete | Event | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Total | Rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Total | Rank |
| Keiko Hiraki | Individual accuracy | 500 | 500 | 468 | 16 | 21 | 132 | 208 | 21 | 65 | 10 | 1450 | 8 |
| Atsuko Yamashita | Individual accuracy | 60 | 500 | 500 | 500 | 76 | 118 | 500 | 128 | 500 | 6 | 2388 | 12 |
| Keiko Hiraki Nao Mochizuki Atsuko Yamashita | Team accuracy | 1060 | 1500 | 1016 | 1016 | 597 | 372 | — | — | — | — | 5561 | 5 |
| Keiko Hiraki Nao Mochizuki Atsuko Yamashita | Cross-country | 644 | 405 | 1891 | 1079 | 832 | — | — | — | — | — | 4851 | |

## Pencak silat
### Seni

| Athlete | Event | Preliminary | Preliminary | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank |
| Daisuke Aso | Men's tunggal | 442 | 5 | Did not advance | Did not advance |

## Roller sports
### Skateboarding

| Athlete | Event | Preliminary | Preliminary | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank |
| Kensuke Sasaoka | Men's park | 83.66 | 1 Q | 76.00 | |
| Keyaki Ike | Men's street | 28.3 | 2 Q | 31.1 | |
| Kensuke Sasaoka | Men's street | 19.9 | 10 | Did not advance | Did not advance |
| Kaya Isa | Women's park | — | — | 58.33 | |
| Sakura Yosozumi | Women's park | — | — | 66.66 | |
| Kaya Isa | Women's street | — | — | 25.0 | |

## Rowing
### Men

| Athlete | Event | Heats | Heats | Repechage | Repechage | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Ryuta Arakawa | Single sculls | 7:56.08 | 1 FA | Bye | Bye | 7:35.29 | |
| Keita Yamao Tomokazu Kuribara | Double sculls | 7:12.70 | 2 FA | Bye | Bye | 7:01.26 | 6 |
| Yoshihiro Otsuka Yuta Takano | Coxless pair | 7:38.78 | 4 FA | — | — | 7:10.53 | |
| Masayuki Miyaura Masahiro Takeda | Lightweight double sculls | 6:53.25 | 1 FA | Bye | Bye | 7:01.17 | |

### Women

| Athlete | Event | Heats | Heats | Repechage | Repechage | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Haruna Sakakibara | Single sculls | 8:50.25 | 2 R | 8:40.21 | 1 FA | 8:25.74 | 4 |
| Sayaka Chujo Shiho Yonekawa | Double sculls | 8:17.81 | 4 FA | — | — | 7:51.05 | 4 |
| Kana Nishihara Akiho Takano | Coxless pair | 8:25.11 | 2 FA | Bye | Bye | 8:07.93 | 4 |
| Miharu Takashima Hinako Takimoto | Lightweight double sculls | 7:59.22 | 3 FA | — | — | 7:57.15 | 4 |

## Rugby sevens

Japan rugby sevens men's and women's team entered the group B at the Games.
| Team | Event | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal / Pl. | Final / BM / Pl. | Final / BM / Pl. |
| Team | Event | Opposition score | Opposition score | Opposition score | Rank | Opposition score | Opposition score | Opposition score | Rank |
| Japan men's | Men's tournament | Indonesia W 92–0 | Malaysia W 47–0 | Chinese Taipei W 31–0 | 1 Q | Chinese Taipei W 43–0 | Sri Lanka W 12–10 | Hong Kong L 0–14 | |
| Japan women's | Women's tournament | Indonesia W 65–0 | Kazakhstan W 31–21 | Thailand W 26–0 | 1 Q | South Korea W 35–7 | Kazakhstan W 26–12 | China W 7–5 | |

### Men's tournament
#### Squad

The following is the Japan squad in the men's rugby sevens tournament of the 2018 Asian Games. The team of 12 players was officially named by the Japan Rugby Football Union.
* Hashino Kosuke
* Taisei Hayashi
* Kano Ryota
* Chihito Matsui
* Naoki Motomura
* Rikiya Oishi
* Dai Ozawa (Captain)
* Katsuyuki Sakai
* Kameli Soejima
* Tevitangongokilitoto Tupou
* Lote Tuqiri
* Taichi Yoshizawa

#### Group B

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | Japan | 3 | 3 | 0 | 0 | 170 | 0 | +170 | 9 | Quarterfinals |
| 2 | Malaysia | 3 | 2 | 0 | 1 | 56 | 62 | −6 | 7 | Quarterfinals |
| 3 | Chinese Taipei | 3 | 1 | 0 | 2 | 51 | 74 | −23 | 5 | Quarterfinals |
| 4 | Indonesia | 3 | 0 | 0 | 3 | 31 | 172 | −141 | 3 | Ranking round 9–12 |
* 30 August 13:34
| Japan | 92–0 | Indonesia |
| Try: Matsui (3) 1' m, 5' c, 7' m Ozawa (2) 2' c, 3' c Motomura (3) 2' c, 6' c, 9' c Sakai 7+' c Oishi (2) 10' m, 11' c Kano 12' c Hayashi 14' c Tuqiri 14+' c Con: Sakai (11/14) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Patrick Kwok (Hong Kong)
* 30 August 17:14
| Japan | 47–0 | Malaysia |
| Try: Hashino (2) 2' c, 12' c Hayashi 6' c Sakai (2) 7' c, 14' m Ozawa 9' c Kano 13' c Con: Sakai (5/6) Hashino (1/1) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Charlie Brown (Ireland)
* 31 August 13:56
| Japan | 31–0 | Chinese Taipei |
| Try: Shin 1' m Motomura (3) 3' c, 7' m, 13' c Kano 10' c Con: Hashino (1/3) Sakai (2/2) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Matthew Rodden (New Zealand)

#### Quarterfinal

* 31 August 17:14
| Japan | 43–0 | Chinese Taipei |
| Try: Matsui (2) 1' m, 4' c Hashino 6' m Soejima 8' c Ozawa (3) 10' c, 12' c, 14' m Con: Sakai (4/7) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Patrick Kwok (Hong Kong)

#### Semifinal

* 1 September 16:56
| Japan | 12–10 | Sri Lanka |
| Try: Hashino 4' m Sakai 7+' c Con: Sakai (1/2) | | Try: Perera 2' m Muthuthanthri 7' m Con: Sooriyabandara (0/2) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Matthew Rodden (New Zealand)

#### Gold medal game

* 1 September 21:06
| Japan | 0–14 | Hong Kong |
| | | Try: Yiu 2' c Nardoni 7+' c Con: Rimene (2/2) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Matthew Rodden (New Zealand)

### Women's tournament
#### Squad

The following is the Japan squad in the women's rugby sevens tournament of the 2018 Asian Games. The team of 12 players was officially named by the Japan Rugby Football Union.
* Padivakalolo Laityelmiyo
* Yume Hirano
* Kozasa Tomomi
* Ano Kuwai
* Nagata Iroha
* Chiharu Nakamura (Captain)
* Yume Okuroda
* Fumiko Otake
* Sayaka Suzuki
* Emii Tanaka
* Noriko Taniguchi
* Yukari Tateyama

#### Group B

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts | Qualification |
| 1 | Japan | 3 | 3 | 0 | 0 | 122 | 21 | +101 | 9 | Quarterfinals |
| 2 | Kazakhstan | 3 | 2 | 0 | 1 | 95 | 36 | +59 | 7 | Quarterfinals |
| 3 | Thailand | 3 | 1 | 0 | 2 | 58 | 51 | +7 | 5 | Quarterfinals |
| 4 | Indonesia | 3 | 0 | 0 | 3 | 5 | 172 | −167 | 3 | Quarterfinals |
* 30 August 11:44
| Japan | 65–0 | Indonesia |
| Try: Otake 2' m Tanaka 4' m Hirano 6' c Nagata (2) 7' m, 7+' m Bativakalolo 8' m Nakamura 9' c Okuroda 10' c Taniguchi 12' c Kurogi (2) 13' c, 14+' m Con: Okuroda (5/9) Nagata (0/1) Bativakalolo (0/1) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Phoenix Xu (China)
* 30 August 15:46
| Japan | 31–21 | Kazakhstan |
| Try: Otake 2' c Okuroda 6' c Hirano 7+' m Nagata 8' c Kozasa 11' m Con: Otake (1/1) Okuroda (2/4) | | Try: Korotkikh (2) 4' c, 12' c Nurmatova 9' c Con: Baktybayeva (3/3) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Charlie Brown (Ireland)
* 31 August 11:14
| Japan | 26–0 | Thailand |
| Try: Hirano (2) 5' c, 9' m Nakamura 12' c Kurogi 14' c Con: Okuroda (3/4) | | |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Phoenix Xu (China)

#### Quarterfinal

* 31 August 16:08
| South Korea | 7–35 | Japan |
| Try: Lim J.W. 11' c Con: Lee M.H. (1/1) | | Try: Kurogi (2) 2' m, 10' m Taniguchi 4' m Bativakalolo 5' m Kuwai 7+' m Tanaka 13' m Nakamura 14+' m Con: Tanaka (0/5) Okuroda (0/2) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Phoenix Xu (China)

#### Semifinal

* 1 September 15:50
| Kazakhstan | 12–26 | Japan |
| Try: Korotkikh (2) 7' m, 12' c Con: Baktybayeva (0/1) Nurmatova (1/1) | | Try: Otake (2) 2' m, 7+' c Okuroda 5' c Penalty try 14' m Con: Okuroda (2/3) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Craig Chan (Canada)

#### Gold medal game

* 1 September 20:40
| China | 5–7 | Japan |
| Try: Chen K.Y. 9' m Con: Chen K.Y. (0/1) | | Try: Hirano 6' c Con: Okuroda (1/1) |
* Gelora Bung Karno Rugby Field, Jakarta Referee: Patrick Kwok (Hong Kong)

## Sailing
### Men

| Athlete | Event | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Total | Rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Total | Rank |
| Makoto Tomizawa | RS:X | 2 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 4 | 3 | 3 | 7 | 5 | (11) DNC | 53 | 4 |
| Kazumasa Segawa | Laser | 5 | 3 | 5 | 5 | 4 | 6 | 4 | 5 | (8) | 8 | 6 | 2 | — | — | — | 53 | 4 |
| Shingen Furuya Shinji Hachiyama | 49er | 3 | 3 | 1 | 2 | 2 | 1 | 3 | 1 | 2 | 4 | 3 | 6 | 6 | 2 | (10) DNC | 39 | |
| Tetsuya Isozaki Akira Takayanagi | 470 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 4 | (12) DSQ | 2 | — | — | — | 17 | |

### Women

| Athlete | Event | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Total | Rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Total | Rank |
| Megumi Komine | RS:X | (6) | 6 | 5 | 4 | 5 | 4 | 5 | 5 | 4 | 5 | 5 | 4 | 6 | 5 | 5 | 68 | 5 |
| Manami Doi | Laser Radial | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | (11) DNC | — | — | — | 13 | |
| Ai Yoshida Miho Yoshioka | 470 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | (8) OCS | 1 | — | — | — | 12 | |

### Mixed

| Athlete | Event | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Total | Rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Total | Rank |
| Kaiyo Maeda | Laser 4.7 | (24) DSQ | 8 | 3 | 2 | 10 | 3 | 4 | 12 | 9 | 8 | 12 | 8 | — | — | — | 79 | 5 |
| Lisa Nukui | Laser 4.7 | 15 | 13 | 15 | 13 | 13 | 16 | 15 | 3 | 8 | 4 | (17) | 17 | — | — | — | 132 | 13 |

## Sambo

Key:
* SU – Won by submission.
| Athlete | Event | Round of 32 | Round of 16 | Quarterfinal | Semifinal | Repechage 1 | Repechage 2 | Repechage final | Final / BM | Final / BM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Kota Yamamoto | Men's 52 kg | Bye | G Gurtgeldiýew (TKM) W 3–1 | B Ibragim (KAZ) L 0–2$^{SU}$ | Did not advance | Bye | G Mönkhbat (MGL) W $^{Dsq}$ | I Akhmedjanov (UZB) L 0–0$^{SU}$ | Did not advance | Did not advance |
| Yosuke Sato | Men's 90 kg | S Azar (LBN) W 3–1 | K Kholmamatov (UZB) L 0–7 | Did not advance | Did not advance | Bye | I Amirkhani (IRI) L 0–4 | Did not advance | Did not advance | Did not advance |
| Natsuki Tomi | Women's 68 kg | Bye | S Somching (THA) W 9–0 | D Kuryshbayeva (KAZ) L 0–1 | Did not advance | Bye | A Estebesova (KGZ) W 4$^{SU}$–0 | G Ismatova (UZB) W 2–0 | D Kudarova (KAZ) W 8–1 | |

## Sepak takraw
### Men

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Yuki Sato Seiya Takano Takeshi Terashima Toshitaka Naito Hirokazu Kobayashi Masanori Hayashi | Quadrant | Indonesia (INA) L 0–2 | Laos (LAO) W 2–1 | Myanmar (MYA) W 2–1 | China (CHN) W 2–0 | 2 Q | Vietnam (VIE) W 2–0 | Indonesia (INA) L 1–2 | |
| Yuki Sato Seiya Takano Takeshi Terashima Toshitaka Naito Ryo Masuda Tsubasa Sato Masahiro Yamada Hirokazu Kobayashi Masanori Hayashi | Team doubles | Indonesia (INA) W 2–1 | Vietnam (VIE) L 1–2 | Philippines (PHI) W 2–1 | — | 2 Q | Thailand (THA) L 0–2 | Did not advance | |

### Women

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Chiharu Yano Sawa Aoki Satomi Ishihara Yuumi Kawamata Naoko Nakatsuka Azusa Kikuchi | Quadrant | India (IND) W 2–0 | Malaysia (MAS) L 0–2 | Thailand (THA) L 0–2 | Vietnam (VIE) L 1–2 | 4 | Did not advance | Did not advance | Did not advance |
| Nagisa Makio Sawa Aoki Chiharu Yano Satomi Ishihara Yuumi Kawamata Naoko Nakatsuka Chinatsu Saegusa Yuri Tanaka Azusa Kikuchi | Team regu | Indonesia (INA) L 0–3 | Vietnam (VIE) L 1–2 | Malaysia (MAS) L 0–3 | Myanmar (MYA) L 0–3 | 5 | Did not advance | Did not advance | Did not advance |

## Shooting
### Men

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Tomoyuki Matsuda | 10 m air pistol | 581 | 4 Q | 239.7 | |
| Yoshinobu Sonoda | 10 m air pistol | 575 | 12 | Did not advance | Did not advance |
| Teruyoshi Akiyama | 25 m rapid fire pistol | 568 | 13 | Did not advance | Did not advance |
| Naoya Okada | 10 m air rifle | 623.3 | 11 | Did not advance | Did not advance |
| Atsushi Shimada | 10 m air rifle | 621.0 | 15 | Did not advance | Did not advance |
| Takayuki Matsumoto | 50 m rifle three positions | 1163 | 6 Q | 441.4 | |
| Toshikazu Yamashita | 50 m rifle three positions | 1151 | 15 | Did not advance | Did not advance |
| Yokouchi Makoto | Skeet | 107 | 25 | Did not advance | Did not advance |
| Kenji Orihara | Skeet | 120 | 11 | Did not advance | Did not advance |

### Women

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Akiko Sato | 10 m air pistol | 569 | 11 | Did not advance | Did not advance |
| Satoko Yamada | 10 m air pistol | 549 | 33 | Did not advance | Did not advance |
| Yukari Konishi | 25 m pistol | 579 | 10 | Did not advance | Did not advance |
| Akiko Sato | 25 m pistol | 578 | 13 | Did not advance | Did not advance |
| Maki Konomoto | 10 m air rifle | 609.3 | 35 | Did not advance | Did not advance |
| Ayano Shimizu | 10 m air rifle | 620.1 | 16 | Did not advance | Did not advance |
| Ayano Shimizu | 50 m rifle three positions | 1156 | 11 | Did not advance | Did not advance |
| Mai Toishi | 50 m rifle three positions | 1148 | 16 | Did not advance | Did not advance |
| Yukie Nakayama | Trap | 106 | 20 | Did not advance | Did not advance |
| Naoko Ishihara | Skeet | 114 | 7 | Did not advance | Did not advance |
| Rika Orihara | Skeet | 107 | 14 | Did not advance | Did not advance |

### Mixed team

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Tomoyuki Matsuda Akiko Sato | 10 m air pistol | 766 | 3 Q | 362.2 | 4 |
| Atsushi Shimada Ayano Shimizu | 10 m air rifle | 823.3 | 8 | Did not advance | Did not advance |

## Soft tennis

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Rank | Opposition score | Opposition score | Opposition score | Rank |
| Hayato Funemizu | Men's singles | M Yahya (PAK) W 4–0 | Kim J-w (KOR) L 0–4 | — | 2 | Did not advance | Did not advance | Did not advance | Did not advance |
| Koichi Nagae | Men's singles | P Inthalangsy (LAO) W 4–0 | Trần VC (VIE) W 4–0 | Chen Y-h (TPE) W 4–3 | 1 Q | Kim D-h (KOR) L 0–4 | Did not advance | Did not advance | Did not advance |
| Kurumi Onoue | Women's singles | P Champamanivong (LAO) W 4–0 | Kim Y-h (KOR) W 4–2 | — | 1 Q | Chen C-l (TPE) L 0–4 | Did not advance | Did not advance | Did not advance |
| Noa Takahashi | Women's singles | S Kraiya (THA) W 4–0 | Lee C-w (TPE) W 4–0 | — | 1 Q | Kim J-y (KOR) W 4–3 | Yu YY (CHN) W 4–0 | Cheng C-l (TPE) W 4–3 | |
| Kento Masuda Rurika Kuroki | Mixed doubles | E Bolortuya / N Bulgan (MGL) W 5–2 | MA Ehtisham / SEB Zaidi (PAK) W 5–0 | — | 1 Q | Yu K-w / Cheng C-l (TPE) L 2–5 | Did not advance | Did not advance | Did not advance |
| Toshiki Uematsu Riko Hayashida | Mixed doubles | D Altankhuyag / A Munguntsetseg (MGL) W 5–0$^R$ | N Seth / AC Patel (IND) W 5–0 | — | 1 Q | C Leampriboon / T Bunteng (THA) W 5–0 | Kim K-s / Mun H-g (KOR) L 3–5 | Did not advance | |
| Hayato Funemizu Toshiki Uematsu Taimei Marunaka Koichi Nagae Kento Masuda | Men's team | Indonesia (INA) W 3–0 | Cambodia (CAM) W 3–0 | India (IND) W 3–0 | 1 Q | Bye | Chinese Taipei (TPE) W 2–0 | South Korea (KOR) L 0–2 | |
| Riko Hayashida Misaki Hangai Noa Takahashi Rurika Kuroki Kurumi Onoue | Women's team | Indonesia (INA) W 3–0 | Pakistan (PAK) W 3–0 | — | 1 Q | Bye | Chinese Taipei (TPE) W 2–0 | South Korea (KOR) W 2–1 | |

## Softball
### Summary

| Team | Event | Group stage | Group stage | Semifinal | Bronze medal game | Final | Final |
| Team | Event | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Japan women's | Women's tournament | Indonesia: W 7–0 Chinese Taipei: W 3–1 Hong Kong: W 14–0 Philippines: W 11–1 South Korea: W 10–0 China: W 14–1 | 1 Q | China W 5–0 | Bye | Chinese Taipei W 7–0 | |

### Roster

* Haruka Agatsuma
* Mana Atsumi
* Yamato Fujita
* Yukari Hamamura
* Nodoka Harada
* Yuka Ichiguchi
* Kyoko Ishikawa
* Hitomi Kawabata
* Misato Kawano
* Nozomi Nagasaki
* Minori Naito
* Natsuko Sugama
* Yukiko Ueno
* Eri Yamada
* Yu Yamamoto
* Saori Yamauchi
* Saki Yamazaki

### Preliminary round

* Final round
* Eliminated
The top four teams will advance to the Final round.
| Team | W | L | RS | RA | WIN% | GB | Tiebreaker |
| Japan | 6 | 0 | 59 | 3 | 1.000 | – | |
| China | 4 | 2 | 30 | 16 | 0.667 | 2 | 1–1; RA = 1 |
| Philippines | 4 | 2 | 20 | 17 | 0.667 | 2 | 1–1; RA = 3 |
| Chinese Taipei | 4 | 2 | 27 | 13 | 0.667 | 2 | 1–1; RA = 7 |
| South Korea | 2 | 4 | 15 | 23 | 0.333 | 4 | |
| Indonesia | 1 | 5 | 15 | 41 | 0.167 | 5 | |
| Hong Kong | 0 | 6 | 2 | 55 | 0.000 | 6 | |
| August 19 17:30 | Indonesia | 0–7 | Japan | GBK Softball field |
| August 19 17:30 | | Boxscore | | GBK Softball field |
| August 20 10:00 | Chinese Taipei | 1–3 | Japan | GBK Softball field |
| August 20 10:00 | | Boxscore | | GBK Softball field |
| August 21 12:30 | Hong Kong | 0–14 | Japan | GBK Softball field |
| August 21 12:30 | | Boxscore | | GBK Softball field |
| August 21 17:30 | Philippines | 1–11 | Japan | GBK Softball field |
| August 21 17:30 | | Boxscore | | GBK Softball field |
| August 22 10:00 | Japan | 10–0 | South Korea | GBK Softball field |
| August 22 10:00 | | Boxscore | | GBK Softball field |
| August 22 17:30 | Japan | 14–1 | China | GBK Softball field |
| August 22 17:30 | | Boxscore | | GBK Softball field |

### Semifinal

August 23 15:00 at GBK Softball field :
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | R | H | E |
| China | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| Japan | 1 | 2 | 2 | 0 | 0 | 0 | X | 5 | 9 | 0 |
| WP: Yamato Fujita LP: Zhao Xinxing Boxscore |||||||||||

### Final

August 24 15:00 at GBK Softball field :
| Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | R | H | E |
| Chinese Taipei | 0 | 0 | 0 | 0 | 0 | X | X | 0 | 1 | 1 |
| Japan | 3 | 4 | 0 | 0 | X | X | X | 7 | 5 | 0 |
| WP: Yukiko Ueno LP: Tu Yating Boxscore |||||||||||

## Sport climbing
### Speed

| Athlete | Event | Qualification | Qualification | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Best | Rank | Opposition Time | Opposition Time | Opposition Time | Opposition Time | Rank |
| Kokoro Fujii | Men's | 9.557 | 23 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Tomoa Narasaki | Men's | 7.260 | 12 Q | Lee S-b (KOR) L 6.830–6.512 | Did not advance | Did not advance | Did not advance | 10 |
| Akiyo Noguchi | Women's | 11.488 | 17 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Futaba Ito | Women's | 10.110 | 10 Q | Lee H-y (TPE) L 10.366–9.347 | Did not advance | Did not advance | Did not advance | 9 |

### Combined

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Final | Final | Final | Final | Final |
| Athlete | Event | Speed Point | Boulder Point | Lead Point | Total | Rank | Speed Point | Boulder Point | Lead Point | Total | Rank |
| Kokoro Fujii | Men's | 17 | 6 | 2 | 204 | 4 Q | 5 | 3 | 1 | 15 | |
| Tomoa Narasaki | Men's | 6 | 1 | 1 | 6 | 1 Q | 4 | 2 | 2 | 16 | |
| Akiyo Noguchi | Women's | 11 | 3.5 | 2 | 77 | 3 Q | 6 | 1 | 2 | 12 | |
| Futaba Ito | Women's | 9 | 7 | 4 | 252 | 6 Q | 4 | 2 | 4 | 32 | 4 |

## Squash
### Singles

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Tomotaka Endo | Men's | L Au (HKG) L 0–3 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Ryunosuke Tsukue | Men's | P Poonsiri (THA) W 3–0 | A Al-Tamimi (QAT) L 1–3 | Did not advance | Did not advance | Did not advance | Did not advance |
| Misaki Kobayashi | Women's | Gu JY (CHN) W 3–0 | Choi Y-r (KOR) W 3–2 | D P Karthik (IND) L 0–3 | Did not advance | Did not advance | Did not advance |
| Satomi Watanabe | Women's | F Issadeen (SRI) W 3–0 | F Eghtedari (IRI) W 3–0 | N David (MAS) L 0–3 | Did not advance | Did not advance | Did not advance |

### Team

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Group stage | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Ryunosuke Tsukue Tomotaka Endo Ryosei Kobayashi | Men's | Pakistan (PAK) L 1–2 | Hong Kong (HKG) L 0–3 | Nepal (NEP) W 3–0 | South Korea (KOR) W 3–0 | Philippines (PHI) W 3–0 | 3 | Did not advance | Did not advance | Did not advance |
| Satomi Watanabe Misaki Kobayashi Risa Sugimoto | Women's | Philippines (PHI) W 3–0 | Pakistan (PAK) W 3–0 | Malaysia (MAS) L 0–3 | South Korea (KOR) W 2–1 | — | 2 Q | Hong Kong (HKG) L 0–2 | Did not advance | |

## Swimming
### Men

| Athlete | Event | Heats | Heats | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank |
| Naito Ehara | 200 m freestyle | 1:47.76 | 3Q | 1:47.66 | 5 |
| Naito Ehara | 400 m freestyle | 3:53.24 | 5Q | 3:47.14 | |
| Kosuke Hagino | 400 m freestyle | 3:50.67 | 2Q | 3:47.20 | |
| Kosuke Hagino | 200 m individual medley | 1:59.76 | 1Q | 1:56.75 | |
| Kosuke Hagino | 400 m individual medley | 4:16.17 | 2Q | 4:10.30 | |
| Ayatsugu Hirai | 1500 m freestyle | — | — | 15:24.26 | 5 |
| Nao Horomura | 100 m butterfly | 53.30 | 8Q | 53.00 | 6 |
| Nao Horomura | 200 m butterfly | 1:58.06 | 2Q | 1:55.58 | |
| Ryosuke Irie | 50 m backstroke | 25.25 | 3Q | 24.88 | |
| Ryosuke Irie | 100 m backstroke | 53.85 | 2Q | 52.53 | |
| Ryosuke Irie | 200 m backstroke | 2:01.74 | 3Q | 1:55.11 | |
| Masaki Kaneko | 50 m backstroke | 26.23 | 12 | Did not advance | Did not advance |
| Masaki Kaneko | 100 m backstroke | 54.81 | 4Q | 54.61 | 4 |
| Yuki Kobori | 50 m butterfly | 24.17 | 7Q | 24.40 | 7 |
| Yuki Kobori | 100 m butterfly | 52.47 | 2Q | 51.77 | |
| Yasuhiro Koseki | 50 m breaststroke | 27.28 | 2Q | 27.07 | |
| Yasuhiro Koseki | 100 m breaststroke | 1:01.35 | 7Q | 58.86 | |
| Yasuhiro Koseki | 200 m breaststroke | 2:12.77 | 3Q | 2:07.81 | |
| Katsuhiro Matsumoto | 200 m freestyle | 1:47.94 | 4Q | 1:46.50 | |
| Katsumi Nakamura | 50 m freestyle | 22.50 | 4Q | 22.20 | |
| Katsumi Nakamura | 100 m freestyle | 49.50 | 5Q | 48.72 | |
| Shunichi Nakao | 50 m freestyle | 22.62 | 7Q | 22.46 | |
| Shunichi Nakao | 50 m butterfly | 23.98 | 4Q | 23.88 | 4 |
| Daiya Seto | 50 m breaststroke | 27.97 | 7Q | 28.00 | 8 |
| Daiya Seto | 200 m butterfly | 1:57.23 | 1Q | 1:54.53 | |
| Daiya Seto | 200 m individual medley | 2:01.57 | 4Q | 2:01.57 | 4 |
| Daiya Seto | 400 m individual medley | 4:16.16 | 1Q | 4:08.79 | |
| Shinri Shioura | 100 m freestyle | 49.32 | 3Q | 48.71 | |
| Keita Sunama | 200 m backstroke | 2:02.64 | 5Q | 1:55.54 | |
| Shogo Takeda | 800 m freestyle | — | — | 7:53.01 | |
| Shogo Takeda | 1500 m freestyle | — | — | 15:17.13 | 4 |
| Ippei Watanabe | 100 m breaststroke | 1:00.93 | 4Q | 1:00.15 | 4 |
| Ippei Watanabe | 200 m breaststroke | 2:11.92 | 1Q | 2:07.82 | |
| Kohei Yamamoto | 800 m freestyle | — | — | 7:59.60 | 4 |
| Shinri Shioura Katsuhiro Matsumoto Katsumi Nakamura Juran Mizohata | 4 × 100 m freestyle relay | 3:18.25 | 2Q | 3:12.68 | |
| Naito Ehara Reo Sakata Kosuke Hagino Katsuhiro Matsumoto Juran Mizohata Ayatsugu Hirai Yuki Kobori | 4 × 200 m freestyle relay | 7:25.73 | 4Q | 7:05.17 | |
| Ryosuke Irie Yasuhiro Koseki Yuki Kobari Shinri Shioura Masaki Kaneko Ippei Watanabe Nao Horomura Katsumi Nakamura | 4 × 100 m medley relay | 3:36.95 | 1Q | 3:30.03 | |
$^b$ Swimmers who participated in the heats only and received medals.

### Women

| Athlete | Event | Heats | Heats | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank |
| Sayaka Akase | 200 m backstroke | 2:12.25 | 4Q | 2:10.35 | 4 |
| Reona Aoki | 100 m breaststroke | 1:07.24 | 2Q | 1:06.45 | |
| Reona Aoki | 200 m breaststroke | 2:29.16 | 3Q | 2:23.33 | |
| Tomomi Aoki | 100 m freestyle | 55.57 | 3Q | 54.58 | 4 |
| Suzuka Hasegawa | 200 m butterfly | 2:09.95 | 1Q | 2:08.80 | |
| Chihiro Igarashi | 200 m freestyle | 2:00.21 | 1Q | 1:57.49 | |
| Chihiro Igarashi | 400 m freestyle | 4:15.89 | 1Q | 4:08.48 | |
| Rikako Ikee | 50 m freestyle | 25.09 | 1Q | 24.53 | |
| Rikako Ikee | 100 m freestyle | 54.33 | 1Q | 53.27 | |
| Rikako Ikee | 50 m butterfly | 25.91 | 1Q | 25.55 | |
| Rikako Ikee | 100 m butterfly | 57.81 | 2Q | 56.30 | |
| Waka Kobori | 400 m freestyle | 4:19.62 | 3Q | 4:11.69 | 4 |
| Waka Kobori | 800 m freestyle | — | — | 8:30.65 | |
| Waka Kobori | 1500 m freestyle | — | — | 16:18.31 | |
| Anna Konishi | 50 m backstroke | 28.69 | 4Q | 28.37 | 4 |
| Anna Konishi | 100 m backstroke | 1:00.44 | 1Q | 59.67 | |
| Sachi Mochida | 200 m butterfly | 2:11.87 | 3Q | 2:08.72 | |
| Yukimi Moriyama | 800 m freestyle | — | — | 8:40.71 | 4 |
| Yukimi Moriyama | 1500 m freestyle | — | — | 16:34.23 | 4 |
| Natsumi Sakai | 50 m backstroke | 28.25 | 3Q | 27.91 | |
| Natsumi Sakai | 100 m backstroke | 1:00.53 | 2Q | 59.27 | |
| Natsumi Sakai | 200 m backstroke | 2:12.30 | 5Q | 2:08.13 | |
| Sakiko Shimizu | 400 m individual medley | 4:45.88 | 3Q | 4:39.10 | |
| Ai Soma | 50 m butterfly | 27.40 | 11 | Did not advance | Did not advance |
| Ai Soma | 100 m butterfly | 59.16 | 4Q | 58.68 | 4 |
| Satomi Suzuki | 50 m breaststroke | 31.02 | 1Q | 30.83 | |
| Satomi Suzuki | 100 m breaststroke | 1:06.92 | 1Q | 1:06.40 | |
| Miho Teramura | 50 m breaststroke | 31.26 | 3Q | Disqualified | Disqualified |
| Miho Teramura | 200 m individual medley | 2:15.73 | 3Q | 2:10.98 | |
| Yui Ohashi | 200 m freestyle | 2:02.41 | 5Q | 2:00.29 | 4 |
| Yui Ohashi | 200 m individual medley | 2:13.55 | 1Q | 2:08.88 | |
| Yui Ohashi | 400 m individual medley | 4:42.11 | 1Q | 4:34.58 | |
| Kanako Watanabe | 200 m breaststroke | 2:27.05 | 1Q | 2:23.05 | |
| Mayuka Yamamoto | 50 m freestyle | 25.53 | 4Q | 25.45 | 4 |
| Rikako Ikee Natsumi Sakai Tomomi Aoki Chihiro Igarashi Mayuka Yamamoto Rio Shirai | 4 × 100 m freestyle relay | 3:42.47 | 2Q | 3:36.52 | |
| Chihiro Igarashi Rikako Ikee Yui Ohashi Rio Shirai Waka Kobori Sachi Mochida | 4 × 200 m freestyle relay | 8:05.21 | 2Q | 7:53.83 | |
| Natsumi Sakai Reona Aoki Rikako Ikee Tomomi Aoki Anna Konishi Reona Aoki Ai Soma Sakiko Shimizu | 4 × 100 m medley relay | 4:01.65 | 1Q | 3:54.73 | |
$^b$ Swimmers who participated in the heats only and received medals.

### Mixed

| Athlete | Event | Heats | Heats | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank |
| Ryosuke Irie Yasuhiro Koseki Rikako Ikee Tomomi Aoki Masaki Kaneko Ippei Watanabe Mayuka Yamamoto | 4 × 100 m mixed medley relay | 3:48.89 | 1Q | 3:41.21 | |
$^b$ Swimmers who participated in the heats only and received medals.

## Table tennis
### Individual

| Athlete | Event | Round 1 | Round 2 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Jin Ueda | Men's singles | Bye | S Wisutmaythangkoon (THA) W 4–1 | N Alamian (IRI) W 4–1 | Fan ZD (IRI) L 0–4 | Did not advance | Did not advance | Did not advance |
| Kenta Matsudaira | Men's singles | Bye | Choe I (PRK) W 4–1 | S Gnanasekaran (IND) W 4–1 | Lin GY (CHN) L 2–4 | Did not advance | Did not advance | Did not advance |
| Minami Ando | Women's singles | Bye | Nguyễn TN (VIE) W 4–1 | Cheng I-c (TPE) L 2–4 | Did not advance | Did not advance | Did not advance | Did not advance |
| Miyu Kato | Women's singles | Bye | K Nur Hawwa (INA) W 4–0 | Kim S-i (PRK) W 4–3 | Jeon J-h (KOR) L 3–4 | Did not advance | Did not advance | Did not advance |
| Jin Ueda Miyu Maeda | Mixed doubles | Bye | M Rameez / F Khan (PAK) W 3–0 | Wang CQ / Sun YS (CHN) L 0–3 | Did not advance | Did not advance | Did not advance | Did not advance |
| Masataka Morizono Misaki Morizono | Mixed doubles | Bye | Leong CF / Ho Y (MAS) W 3–1 | Lim J-h / Yang H-e (KOR) L 1–3 | Did not advance | Did not advance | Did not advance | Did not advance |

### Team

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Kenta Matsudaira Masataka Morizono Jin Ueda Masaki Yoshida | Men's | Maldives (MDV) W 3–0 | Thailand (THA) W 3–0 | Iran (IRI) W 3–1 | Kyrgyzstan (KGZ) W 3–0 | 1 Q | India (IND) L 1–3 | Did not advance | Did not advance | Did not advance |
| Minami Ando Miyu Kato Misaki Morizono Miyu Maeda | Women's | Thailand (THA) W 3–0 | North Korea (PRK) L 2–3 | Mongolia (MGL) W 3–0 | — | 2 Q | China (CHN) L 0–3 | Did not advance | Did not advance | Did not advance |

## Taekwondo
### Poomsae

| Athlete | Event | Round of 16 | Quarterfinal | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Mana Umehara | Women's individual | K Philavong (LAO) W 7.68–7.53 | M Salahshouri (IRI) L 7.99–8.27 | Did not advance | Did not advance | Did not advance |

### Kyorugi

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinal | Semifinal | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Sergio Suzuki | Men's −58 kg | Bye | T Kuangmany (LAO) W 50–28 | A Asiri (KSA) W 22–8 | Kim T-h (KOR) L 11–24 | Did not advance | |
| Masanojo Honma | Men's −63 kg | C Liyanage (SRI) L 18–21 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Hidenori Ebata | Men's −80 kg | D A Prayogo (INA) W 24–20 | S Al-Sharabaty (JOR) L 8–28 | Did not advance | Did not advance | Did not advance | Did not advance |
| Miyu Yamada | Women's 49 kg | Bye | Trương T K T (VIE) W 35–27 | K Wijerathna (SRI) W 32–8 | M Mannopova (UZB) L 11–14 | Did not advance | |
| Kiyoko Nagano | Women's −53 kg | Bye | Su P-y (TPE) L 6–26 | Did not advance | Did not advance | Did not advance | Did not advance |

## Tennis
### Men

| Athlete | Event | Round of 64 | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Yasutaka Uchiyama | Singles | Bye | S Dissanayake (SRI) W 6–3, 6–1 | Wu YB (CHN) L 3–6, 6–7$^{(6–8)}$ | Did not advance | Did not advance | Did not advance | Did not advance |
| Yosuke Watanuki | Singles | Bye | S Khaledan (IRI) W 6–1, 6–3 | A Bublik (KAZ) L 6–7$^{(5–7)}$, 4–6 | Did not advance | Did not advance | Did not advance | Did not advance |
| Sho Shimabukuro Kaito Uesugi | Doubles | Bye | Lý NH / Nguyễn PV (VIE) W 6–2, 4–6, [10–2] | T Khabibulin / A Nedovyesov (KAZ) W 7–6$^{(7–4)}$, 6–3 | Gong MX / Zhang Z (CHN) W 4–6, 6–2, [10–2] | R Bopanna / D Sharan (IND) L 6–4, 3–6, [8–10] | Did not advance | |
| Yuya Ito Yosuke Watanuki | Doubles | Bye | J Barki / C Rungkat (INA) W 6–4, 3–6, [10–7] | Wong C-h / Yeung P-l (HKG) W 6–4, 6–4 | Hong S-c / Lee J-m (KOR) W 6–3, 5–7, [10–2] | A Bublik / D Yevseyev (KAZ) L 4–6, 7–6$^{(7–4)}$, [7–10] | Did not advance | |

### Women

| Athlete | Event | Round of 64 | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Eri Hozumi | Singles | Bye | M Capadocia (PHI) W 6–1, 6–3 | A Raina (IND) L 1–6, 2–6 | Did not advance | Did not advance | Did not advance | Did not advance |
| Miyu Kato | Singles | Bye | TMA Kurera (SRI) W 6–0, 6–1 | A Sutjiadi (INA) L 1–6, 0–6 | Did not advance | Did not advance | Did not advance | Did not advance |
| Erina Hayashi Moyuka Uchijima | Doubles | — | B Gumulya / J Rompies (INA) W 1–6, 6–4, [11–9] | Mah Rana / May Rana (NEP) W 6–0, 6–0 | Chan H-c / L Chan (TPE) L 6–4, 5–7, [5–10] | Did not advance | Did not advance | Did not advance |
| Miyu Kato Makoto Ninomiya | Doubles | — | Bye | S Sharipova / I Tulyaganova (UZB) W 6–3, 6–3 | Han N-l / Kim N-r (KOR) W 6–3, 6–3 | Xu YF / Yang ZX (CHN) L 4–6, 2–6 | Did not advance | |

### Mixed

| Athlete | Event | Round of 64 | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Erina Hayashi Kaito Uesugi | Doubles | Bye | J Altansarnai / G Batjargal (MGL) W 6–1, 6–0 | Chang K-c / Hsieh C-p (TPE) W 7–6$^{(7–2)}$, 6–7$^{(5–7)}$, [12–10] | Xu YF / Zhang Z (CHN) W 7–6$^{(7–4)}$, 0–6, [10–8] | A Sutjiadi / C Rungkat (INA) L 6–7$^{(3–7)}$, 4–6 | Did not advance | |
| Makoto Ninomiya Yasutaka Uchiyama | Doubles | Bye | Choi J-h / Kim Y-s (KOR) W 7–5, 6–7$^{(7–9)}$, [10–6] | Liang E-s / Peng H-y (TPE) W 6–4, 6–4 | A Danilina / A Nedovyesov (KAZ) L 1–6, 4–6 | Did not advance | Did not advance | Did not advance |

## Triathlon
### Individual

| Athlete | Event | Swim (1.5 km) | Trans 1 | Bike (39.6 km) | Trans 2 | Run (10 km) | Total Time | Rank |
| Jumpei Furuya | Men's | 18:48 | 0:26 | 56:36 | 0:20 | 33:33 | 1:49:43 | |
| Makoto Odakura | Men's | 18:47 | 0:27 | 56:38 | 0:23 | 37:19 | 1:53:34 | 7 |
| Yuka Sato | Women's | 19:13 | 0:28 | 1:03:09 | 0:23 | | DNF | – |
| Yuko Takahashi | Women's | 19:02 | 0:29 | 1:00:33 | 0:24 | 39:01 | 1:59:29 | |

### Mixed relay

| Athletes | Event | Total Times per Athlete (Swim 300 m, Bike 6.3 km, Run 2.1 km) | Total Group Time | Rank |
| Jumpei Furuya Yuichi Hosoda Yuka Sato Yuko Takahashi | Mixed relay | 21:33 22:04 23:26 23:36 | 1:30:39 | |

## Volleyball
### Beach volleyball

| Athlete | Event | Preliminary | Preliminary | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Oppositions scores | Rank | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Yuya Ageba Katsuhiro Shiratori | Men's tournament | Pham – Nguyen (VIE): W 2–0 Wu – Aboduhalikejiang (CHN): L 0–2 Alikhail – Mayar (AFG): W 2–0 | 2 Q | Vakili – Salemiinjehboroun (IRI) L 0–2 | Did not advance | Did not advance | Did not advance | Did not advance |
| Yoshiumi Hasegawa Keisuke Shimizu | Men's tournament | Nguyen – Ly (VIE): W 2–0 Mirzaali – Raoufi (IRI): L 1–2 I F Xavier – R F Xavier (TLS): W 2–0 | 2 Q | Wu – Aboduhalikejiang (CHN) L 1–2 | Did not advance | Did not advance | Did not advance | Did not advance |
| Miki Ishii Megumi Murakami | Women's tournament | Tran – Truong (VIE): W 2–0 Wang – Zeng (CHN): W 2–0 Yu – Pan (TPE): W 2–0 | 1 Q | Bye | Radarong – Udomchavee (THA) W 2–0 | Mashkova – Tsimbalova (KAZ) W 2–0 | Wang – Xia (CHN) L 1–2 | |
| Azusa Futami Akiko Hasegawa | Women's tournament | Numwong – Hongpak (THA): W 2–0 Ratnasari – Eka (INA): W 2–1 Caminha – de Sousa (TLS):W 2–0 Rachenko – Yeropkina (KAZ): W 2–0 | 1 Q | Bye | Juliana – Utami (INA) L 0–2 | Did not advance | Did not advance | Did not advance |

### Indoor volleyball

| Team | Event | Group stage | Group stage | Playoffs | Quarterfinals | Semifinals / Pl. | Final / BM / Pl. | Final / BM / Pl. |
| Team | Event | Oppositions scores | Rank | Opposition score | Opposition score | Opposition score | Opposition score | Rank |
| Japan men's | Men's tournament | Kazakhstan: W 3–2 Myanmar: W 3–2 | 1 Q | India W 3–1 | Qatar L 2–3 | Did not advance | Indonesia W 3–2 | 5 |
| Japan women's | Women's tournament | Indonesia: W 3–0 Philippines: W 3–0 Thailand: L 0–3 Hong Kong: W 3–0 | 2 Q | — | Kazakhstan W 3–0 | China L 0–3 | South Korea L 1–3 | 4 |

#### Men's tournament
##### Team roster

The following is the Japanese roster in the men's volleyball tournament of the 2018 Asian Games.
Head coach: Gordon Mayforth
| No. | Name | Date of birth | Height | Weight | Spike | Block | Club |
| 2 | Hideomi Fukatsu (c) | 1 June 1990 | 1.80 m (5 ft 11 in) | 70 kg (150 lb) | 327 cm (129 in) | 305 cm (120 in) | Panasonic Panthers |
| 3 | Shunichiro Sato | 17 May 2000 | 2.04 m (6 ft 8 in) | 94 kg (207 lb) | 335 cm (132 in) | 320 cm (130 in) | Tohoku High School |
| 4 | Naoya Takano | 30 April 1993 | 1.90 m (6 ft 3 in) | 78 kg (172 lb) | 335 cm (132 in) | 320 cm (130 in) | Sakai Blazers |
| 5 | Jin Tsuzuki | 28 December 1998 | 1.94 m (6 ft 4 in) | 85 kg (187 lb) | 340 cm (130 in) | 320 cm (130 in) | Chuo University |
| 7 | Takashi Dekita | 13 August 1991 | 2.00 m (6 ft 7 in) | 94 kg (207 lb) | 345 cm (136 in) | 330 cm (130 in) | Sakai Blazers |
| 8 | Hiroki Ozawa | 21 September 1997 | 1.86 m (6 ft 1 in) | 82 kg (181 lb) | 340 cm (130 in) | 315 cm (124 in) | University of Tsukuba |
| 10 | Shunsuke Chijiki | 6 September 1989 | 1.94 m (6 ft 4 in) | 89 kg (196 lb) | 348 cm (137 in) | 325 cm (128 in) | Sakai Blazers |
| 11 | Ryota Denda | 3 July 1991 | 1.91 m (6 ft 3 in) | 84 kg (185 lb) | 345 cm (136 in) | 327 cm (129 in) | Toyoda Gosei Trefuerza |
| 12 | Takuya Takamatsu | 8 January 1988 | 1.86 m (6 ft 1 in) | 86 kg (190 lb) | 341 cm (134 in) | 320 cm (130 in) | Toyoda Gosei Trefuerza |
| 13 | Motoki Eiro | 8 June 1998 | 1.92 m (6 ft 4 in) | 80 kg (180 lb) | 329 cm (130 in) | 320 cm (130 in) | Tokai University |
| 14 | Tomohiro Horie | 23 June 1997 | 1.83 m (6 ft 0 in) | 73 kg (161 lb) | 315 cm (124 in) | 305 cm (120 in) | Waseda University |
| 17 | Ryuta Homma | 17 October 1991 | 1.78 m (5 ft 10 in) | 71 kg (157 lb) | 320 cm (130 in) | 305 cm (120 in) | JTEKT Stings |
| 18 | Takeshi Ogawa | 7 July 1994 | 1.93 m (6 ft 4 in) | 90 kg (200 lb) | 350 cm (140 in) | 330 cm (130 in) | Suntory Sunbirds |
| 19 | Taishi Onodera | 27 February 1996 | 2.01 m (6 ft 7 in) | 98 kg (216 lb) | 330 cm (130 in) | 320 cm (130 in) | JT Thunders |

##### Pool C

| Pos | Teamvte | Pld | W | L | Pts | SW | SL | SR | SPW | SPL | SPR |
| 1 | Japan | 2 | 2 | 0 | 4 | 6 | 4 | 1.500 | 224 | 216 | 1.037 |
| 2 | Myanmar | 2 | 1 | 1 | 4 | 5 | 4 | 1.250 | 199 | 191 | 1.042 |
| 3 | Kazakhstan | 2 | 0 | 2 | 1 | 3 | 6 | 0.500 | 193 | 209 | 0.923 |

##### 5th place game
#### Women's tournament
##### Team roster

The following is the Japanese roster in the women's volleyball tournament of the 2018 Asian Games.
Head coach: Kumi Nakada
| No. | Name | Date of birth | Height | Weight | Spike | Block | Club |
| 1 | Miyu Nagaoka | 25 July 1991 | 1.79 m (5 ft 10 in) | 64 kg (141 lb) | 308 cm (121 in) | 303 cm (119 in) | Hisamitsu Springs |
| 3 | Nana Iwasaka (C) | 9 July 1990 | 1.87 m (6 ft 2 in) | 75 kg (165 lb) | 300 cm (120 in) | 293 cm (115 in) | Hisamitsu Springs |
| 4 | Risa Shinnabe | 11 July 1990 | 1.73 m (5 ft 8 in) | 64 kg (141 lb) | 292 cm (115 in) | 285 cm (112 in) | Hisamitsu Springs |
| 5 | Erika Araki | 3 August 1984 | 1.86 m (6 ft 1 in) | 81 kg (179 lb) | 305 cm (120 in) | 297 cm (117 in) | Toyota Auto Body Queenseis |
| 7 | Yuki Ishii | 8 May 1991 | 1.80 m (5 ft 11 in) | 68 kg (150 lb) | 302 cm (119 in) | 287 cm (113 in) | Hisamitsu Springs |
| 9 | Haruyo Shimamura | 4 March 1992 | 1.82 m (6 ft 0 in) | 78 kg (172 lb) | 298 cm (117 in) | 290 cm (110 in) | NEC Red Rockets |
| 10 | Koyomi Tominaga | 1 May 1989 | 1.75 m (5 ft 9 in) | 68 kg (150 lb) | 297 cm (117 in) | 280 cm (110 in) | Ageo Medics |
| 11 | Yurie Nabeya | 15 December 1993 | 1.76 m (5 ft 9 in) | 55 kg (121 lb) | 302 cm (119 in) | 292 cm (115 in) | Denso Airybees |
| 12 | Miya Sato | 7 March 1990 | 1.75 m (5 ft 9 in) | 62 kg (137 lb) | 284 cm (112 in) | 280 cm (110 in) | Hitachi Rivale |
| 13 | Mai Okumura | 31 October 1990 | 1.77 m (5 ft 10 in) | 69 kg (152 lb) | 297 cm (117 in) | 285 cm (112 in) | Nakhon Ratchasima |
| 15 | Kotoe Inoue | 15 February 1990 | 1.62 m (5 ft 4 in) | 59 kg (130 lb) | 288 cm (113 in) | 275 cm (108 in) | JT Marvelous |
| 16 | Mako Kobata | 15 August 1992 | 1.64 m (5 ft 5 in) | 56 kg (123 lb) | 281 cm (111 in) | 274 cm (108 in) | JT Marvelous |
| 17 | Rika Nomoto | 21 September 1991 | 1.80 m (5 ft 11 in) | 72 kg (159 lb) | 308 cm (121 in) | 291 cm (115 in) | Hisamitsu Springs |
| 19 | Ai Kurogo | 14 June 1998 | 1.80 m (5 ft 11 in) | 69 kg (152 lb) | 306 cm (120 in) | 295 cm (116 in) | Toray Arrows |

##### Pool A

| Pos | Teamvte | Pld | W | L | Pts | SW | SL | SR | SPW | SPL | SPR |
| 1 | Thailand | 4 | 4 | 0 | 12 | 12 | 1 | 12.000 | 322 | 221 | 1.457 |
| 2 | Japan | 4 | 3 | 1 | 9 | 9 | 3 | 3.000 | 290 | 197 | 1.472 |
| 3 | Indonesia | 4 | 2 | 2 | 6 | 7 | 8 | 0.875 | 315 | 328 | 0.960 |
| 4 | Philippines | 4 | 1 | 3 | 3 | 4 | 9 | 0.444 | 260 | 310 | 0.839 |
| 5 | Hong Kong | 4 | 0 | 4 | 0 | 1 | 12 | 0.083 | 190 | 321 | 0.592 |

##### Bronze medal game
## Water polo
### Summary

Key:
* FT – After full time.
* P – Match decided by penalty-shootout.
| Team | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal / Pl. | Final / BM / Pl. | Final / BM / Pl. |
| Team | Event | Opposition score | Opposition score | Opposition score | Opposition score | Opposition score | Rank | Opposition score | Opposition score | Opposition score | Rank |
| Japan men's | Men's tournament | China W 12–4 | Indonesia W 24–7 | Hong Kong W 23–0 | Saudi Arabia W 20–4 | — | 1 Q | Singapore W 28–6 | Iran W 18–7 | Kazakhstan L 7–8 | |
| Japan women's | Women's tournament | Indonesia W 15–4 | China L 8–12 | Thailand W 19–5 | Hong Kong W 31–3 | Kazakhstan L 11–12 | 3 | — | — | — | |

### Men's tournament
#### Team roster

Head coach: Yoji Omoto
* Katsuyuki Tanamura (GK)
* Seiya Adachi (D)
* Harukiirario Koppu (CB)
* Mitsuaki Shiga (D)
* Takuma Yoshida (D)
* Atsuto Iida (CB)
* Takumu Miyazawa (CF)
* Mitsuru Takata (D)
* Atsushi Arai (D)
* Yusuke Inaba (D)
* Keigo Okawa (CB) (C)
* Kenta Araki (CF)
* Tomoyoshi Fukushima (GK)

#### Group B

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Japan | 4 | 4 | 0 | 0 | 79 | 15 | +64 | 8 | Quarterfinals |
| 2 | China | 4 | 3 | 0 | 1 | 63 | 22 | +41 | 6 | Quarterfinals |
| 3 | Saudi Arabia | 4 | 1 | 1 | 2 | 33 | 55 | −22 | 3 | Quarterfinals |
| 4 | Indonesia | 4 | 1 | 1 | 2 | 32 | 63 | −31 | 3 | Quarterfinals |
| 5 | Hong Kong | 4 | 0 | 0 | 4 | 17 | 69 | −52 | 0 | |
* 1 2 Head-to-head result: KSA 12–12 INA. Goal difference against the highest placed team (JPN): KSA −16, INA −17.
| 25 August 16:20 | Japan | 12–4 | China | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Alexandrescu (ROU) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Alexandrescu (ROU) |||
| 25 August 16:20 | Adachi 3 | Goals | four players 1 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Alexandrescu (ROU) |
| 27 August 17:10 | Indonesia | 7–24 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Štampalija (CRO) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Štampalija (CRO) |||
| 27 August 17:10 | Harahap 4 | Goals | Inaba 7 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Štampalija (CRO) |
| 28 August 14:30 | Hong Kong | 0–23 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Han (KOR) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Han (KOR) |||
| 28 August 14:30 | 0 | Goals | Adachi 5 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Han (KOR) |
| 29 August 15:50 | Japan | 20–4 | Saudi Arabia | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Ni (CHN), Jiathornwattana (THA) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Ni (CHN), Jiathornwattana (THA) |||
| 29 August 15:50 | Adachi 5 | Goals | Al-Dughather 2 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Ni (CHN), Jiathornwattana (THA) |

#### Quarter-final

| 30 August 17:50 | Singapore | 6–28 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Salnichenko (KAZ) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Salnichenko (KAZ) |||
| 30 August 17:50 | Loh Z.Z., S. Yu 2 | Goals | Inaba 5 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Salnichenko (KAZ) |

#### Semifinal

| 31 August 16:00 | Iran | 7–18 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Flahive (AUS) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Flahive (AUS) |||
| 31 August 16:00 | Malek-Khanbanan, Yazdankhah 2 | Goals | Inaba 6 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Tan (SGP), Flahive (AUS) |

#### Gold medal game

| 1 September 17:20 | Japan | 7–8 | Kazakhstan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Flahive (AUS) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Flahive (AUS) |||
| 1 September 17:20 | Adachi 3 | Goals | Ruday 3 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Flahive (AUS) |

### Women's tournament
#### Team roster

Head coach: Makihiro Motomiya
* Minami Shioya (GK)
* Yumi Arima (CB)
* Akari Inaba (D)
* Shino Magariyama (D)
* Chiaki Sakanoue (D)
* Minori Yamamoto (D)
* Maiko Hashida (D)
* Yuki Niizawa (D)
* Kana Hosoya (D)
* Misaki Noro (D)
* Marina Tokumoto (CB)
* Kotori Suzuki (D) (C)
* Miyuu Aoki (GK)

#### Round robin

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts |
| 1 | China | 5 | 5 | 0 | 0 | 76 | 24 | +52 | 10 |
| 2 | Kazakhstan | 5 | 4 | 0 | 1 | 70 | 34 | +36 | 8 |
| 3 | Japan | 5 | 3 | 0 | 2 | 84 | 36 | +48 | 6 |
| 4 | Thailand | 5 | 2 | 0 | 3 | 53 | 62 | −9 | 4 |
| 5 | Indonesia | 5 | 1 | 0 | 4 | 30 | 82 | −52 | 2 |
| 6 | Hong Kong | 5 | 0 | 0 | 5 | 22 | 97 | −75 | 0 |
| 16 August 14:30 | Japan | 15–4 | Indonesia | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Tan (SGP) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Tan (SGP) |||
| 16 August 14:30 | Sakanoue 4 | Goals | four players 1 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Štampalija (CRO), Tan (SGP) |
| 17 August 17:10 | Japan | 8–12 | China | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Flahive (AUS), Stavridis (GRE) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Flahive (AUS), Stavridis (GRE) |||
| 17 August 17:10 | four players 2 | Goals | Xiong D.H., Zhang J. 3 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Flahive (AUS), Stavridis (GRE) |
| 19 August 17:10 | Thailand | 5–19 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Han (KOR), Ni (CHN) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Han (KOR), Ni (CHN) |||
| 19 August 17:10 | Sathitanon 2 | Goals | Arima, Inaba 5 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Han (KOR), Ni (CHN) |
| 20 August 15:50 | Japan | 31–3 | Hong Kong | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Salnichenko (KAZ) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Salnichenko (KAZ) |||
| 20 August 15:50 | Arima 7 | Goals | Chan S.T., Ng W.Y., Yeung S.W. 1 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Jiathornwattana (THA), Salnichenko (KAZ) |
| 21 August 17:10 | Kazakhstan | 12–11 | Japan | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Štampalija (CRO) |
| Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Štampalija (CRO) |||
| 21 August 17:10 | Myrzabekova 6 | Goals | Magariyama, Hashida 3 | Gelora Bung Karno Aquatic Stadium, Jakarta Referees: Stavridis (GRE), Štampalija (CRO) |

## Weightlifting

Japan Weightlifting Association entered the Games with 15 weightlifters (8 men's and 7 women's).

### Men

| Athlete | Event | Snatch | Snatch | Clean & jerk | Clean & jerk | Total | Rank |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Yoichi Itokazu | −62 kg | 130 | 5 | 158 | 6 | 288 | 5 |
| Hiroaki Takao | −62 kg | 125 | 10 | 152 | 9 | 277 | 10 |
| Miyamoto Masanori | −69 kg | 138 | 10 | 178 | 6 | 316 | 8 |
| Konnai Mitsunori | −69 kg | 137 | 11 | 170 | 10 | 307 | 10 |
| Kasai Takehiro | −77 kg | 144 | 9 | 182 | 4 | 326 | 6 |
| Ioroi Masakazu | −77 kg | 140 | 12 | 175 | 8 | 315 | 9 |
| Yamamoto Toshiki | −85 kg | 155 | 5 | 191 | 3 | 346 | 4 |
| Tanaka Taro | −105 kg | 172 | 6 | 200 | 6 | 372 | 6 |

### Women

| Athlete | Event | Snatch | Snatch | Clean & jerk | Clean & jerk | Total | Rank |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Ibuki Takahashi | −48 kg | 73 | 7 | 99 | 6 | 172 | 7 |
| Mizuki Yanagida | −48 kg | 70 | 10 | 93 | 9 | 163 | 9 |
| Kanae Yagi | −53 kg | 84 | 7 | 106 | 7 | 190 | 7 |
| Ayana Sadoyama | −53 kg | 75 | 10 | 91 | 11 | 166 | 11 |
| Mikiko Ando | −58 kg | 91 | 5 | 127 | 2 | 218 | |
| Miku Ishii | −69 kg | 85 | 7 | 115 | 6 | 200 | 7 |
| Kamiya Ayumi | −75 kg | 100 | 4 | 122 | 5 | 222 | 5 |

## Wrestling

Key:
* F – Victory by fall.
* PP – Decision by points – the loser with technical points.
* PO – Decision by points – the loser without technical points.
* ST – Great superiority – the loser without technical points and a margin of victory of at least 8 (Greco-Roman) or 10 (freestyle) points.

### Men's freestyle

| Athlete | Event | Qualification | Round of 16 | Quarterfinal | Semifinal | Repechage 1 | Repechage 2 | Final / BM | Final / BM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Yuki Takahashi | −57 kg | Bye | Kang K-s (PRK) L 5–9 | Did not advance | Did not advance | Bye | Z Ismailov (KAZ) W 7–4 | Liu MH (CHN) W 3–3 $^{PP}$ | |
| Daichi Takatani | −65 kg | M Hussain (PAK) W 10–0 | C Thoun (CAM) W 6$^F$–0 | B Borjakow (TKM) W 13–2 | Okassov (KAZ) W 4–4 $^{PP}$ | Bye | Bye | B Punia (IND) L 8–11 | |
| Yuhi Fujinami | −74 kg | S Chunara (NEP) W 10–0 | Mandakhnaran (MGL) W 13–2 | Batirov (BRN) W 8–2 | Abdurakhmonov (UZB) L 1–11 | Bye | Bye | Hosseinkhani (IRI) W 9–8 | |
| Shota Shirai | −86 kg | S Al-Asta (SYR) W 2$^F$–0 | Kurbanov (UZB) L 0–4 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | 8 |
| Takeshi Yamaguchi | −97 kg | — | Bye | Karimi (IRI) L 0–11 | Did not advance | Bye | — | Ibragimov (UZB) L 0$^R$–6 | 5 |
| Nobuyoshi Arakida | −125 kg | — | O Boltin (KAZ) L 0–1 | Did not advance | Did not advance | Did not advance | — | Did not advance | 10 |

### Men's Greco-Roman

| Athlete | Event | Round of 16 | Quarterfinal | Semifinal | Repechage | Final / BM | Final / BM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Shinobu Ota | −60 kg | H Sidik (INA) W 8–0 | Mardani (IRI) W 9–0 | I Bakhramov (UZB) W 6–0 | Bye | Zholchubekov (KGZ) W 8$^F$–3 | |
| Tsuchika Shimoyamada | −67 kg | MKundu (IND) L 3–7 | Did not advance | Did not advance | Did not advance | Did not advance | 11 |
| Shohei Yabiku | −77 kg | Nguyễn B S (VIE) W 9$^F$–0 | Dilmukhamedov (KAZ) W 3–3 $^{PP}$ | Geraei (IRI) L 1–8 | Bye | Yang B (CHN) L 3–4 | 5 |
| Masato Sumi | −87 kg | Peng F (CHN) W 3–1 | H Singh (IND) L 0–8 | Did not advance | Did not advance | Did not advance | 8 |
| Yuta Nara | −97 kg | Bye | Dzhuzupbekov (KGZ) L 1–7 | Did not advance | Did not advance | Did not advance | 8 |
| Arata Sonoda | −130 kg | Bye | S Belliýew (TKM) W 9–1 | Tinaliyev (KAZ) L 0–6 | Bye | P Ramadhani (INA) W 2$^F$–0 | |

### Women's freestyle

| Athlete | Event | Round of 16 | Quarterfinal | Semifinal | Repechage | Final / BM | Final / BM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Yuki Irie | −50 kg | Bye | E Setiawati (INA) W 8$^F$–0 | Kim S-h (PRK) W 13–4 | Bye | V Phogat (IND) L 2–6 | |
| Haruna Okuno | −53 kg | S Eshmuratova (UZB) W 10–0 | Pang QY (CHN) W 4–1 | Pak Y-m (PRK) L 7–7 $^{PP}$ | Bye | Chiu H-j (TPE) W 6$^F$–0 | |
| Katsuki Sakagami | −57 kg | Jong M-s (PRK) L 6–9 | Did not advance | Did not advance | E Tissina (KAZ) W 11–0 | P Dhanda (IND) W 6–1 | |
| Risako Kawai | −62 kg | Bye | Hang J-w (KOR) W 12–1 | P Orkhon (MGL) L 2–2$^F$ | Bye | Nguyễn T M H (VIE) W 10–0 | |
| Ayana Gempei | −68 kg | Z Bakbergenova (KAZ) W 5–2 | Zhou F (CHN) L 3–6 | Did not advance | S Sultana (BAN) W 10–0 | M Zhumanazarova (KGZ) L 3–7 | 5 |
| Hiroe Minagawa | −76 kg | Bye | O Nasanburmaa (MGL) W 13–1 | A M Kyzy (KGZ) W 2–1 | — | Zhou Q (CHN) L 0–8 | |

## Wushu
### Taolu

| Athlete | Event | Event 1 | Event 1 | Event 2 | Event 2 | Total | Rank |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Ren Sakamoto | Men's changquan | 9.64 | 7 | — | — | 9.64 | 7 |
| Ryouta Mouri | Men's nanquan and nangun | 9.68 | 6 | 9.69 | 8 | 19.37 | 5 |
| Tomohiro Araya | Men's taijiquan and taijijian | 9.70 | 2 | 9.72 | 2 | 19.42 | |
| Hibiki Betto | Men's daoshu and gunshu | 9.67 | 7 | 9.70 | 4 | 19.37 | 5 |
| Shiho Saito | Women's taijiquan and taijijian | 9.53 | 11 | 9.57 | 9 | 19.10 | 9 |
| Keiko Yamaguchi | Women's jianshu and qiangshu | 9.67 | 4 | 9.57 | 5 | 19.24 | 5 |