# Japan Open Golf Championship

The Japan Open Golf Championship (日本オープンゴルフ選手権競技, Nihon ōpun gorufu senshu kenkyōgi) is Japan's national open golf championship. Founded in 1927, it is one of the oldest professional golf tournaments in Japan.
The Japan Open is one of the three richest tournaments on the Japan Golf Tour, with a prize fund of ¥210 million in 2022. Between 1992 and 2021 it was the tour's designated "Flagship event" for the purposes of the Official World Golf Ranking, with a minimum winner's points allocation of 32 points.
The winner also receives an invitation to the following year's Open Championship.

## Winners

| Year | Winner | Score | To par | Margin of victory | Runner(s)-up | Winner's share (¥) | Venue |
| 2024 | Shugo Imahira | 276 | −4 | 1 stroke | Ryosuke Kinoshita | 42,000,000 | Tokyo |
| 2023 | Aguri Iwasaki | 272 | −8 | 2 strokes | Ryo Ishikawa | 42,000,000 | Ibaraki (West) |
| 2022 | Taiga Semikawa (a) | 270 | −10 | 2 strokes | Kazuki Higa | 42,000,000 | Sanko |
| 2021 | Shaun Norris | 265 | −19 | 4 strokes | Yuta Ikeda | 42,000,000 | Biwako |
| 2020 | Yuki Inamori (2) | 275 | −5 | 1 stroke | Hideto Tanihara | 31,500,000 | Murasaki (Sumire) |
| 2019 | Chan Kim | 285 | +1 | 1 stroke | Mikumu Horikawa Shaun Norris | 42,000,000 | Koga |
| 2018 | Yuki Inamori | 270 | −14 | 2 strokes | Shaun Norris | 40,000,000 | Yokohama (West) |
| 2017 | Yuta Ikeda (2) | 272 | −8 | 1 stroke | Takumi Kanaya (a) | 40,000,000 | Gifuseki |
| 2016 | Hideki Matsuyama | 275 | −5 | 3 strokes | Yuta Ikeda Lee Kyoung-hoon | 40,000,000 | Sayama |
| 2015 | Satoshi Kodaira | 275 | −13 | 1 stroke | Yuta Ikeda | 40,000,000 | Rokko Kokusai (East) |
| 2014 | Yuta Ikeda | 270 | −10 | 1 stroke | Shingo Katayama Satoshi Kodaira | 40,000,000 | Chiba (Umesato) |
| 2013 | Masanori Kobayashi | 274 | −10 | 3 strokes | Koumei Oda | 40,000,000 | Ibaraki (East) |
| 2012 | Kenichi Kuboya | 292 | +8 | 1 stroke | Juvic Pagunsan | 40,000,000 | Naha |
| 2011 | Bae Sang-moon | 282 | −2 | Playoff | Kenichi Kuboya | 40,000,000 | Takanodai |
| 2010 | Kim Kyung-tae | 271 | −13 | 1 stroke | Hiroyuki Fujita | 40,000,000 | Aichi |
| 2009 | Ryuichi Oda | 282 | −6 | Playoff | Yasuharu Imano Ryo Ishikawa | 40,000,000 | Musashi (Toyooka) |
| 2008 | Shingo Katayama (2) | 283 | −1 | 4 strokes | Ryo Ishikawa | 40,000,000 | Koga |
| 2007 | Toru Taniguchi (2) | 283 | −5 | 2 strokes | Shingo Katayama | 40,000,000 | Sagamihara (East) |
| 2006 | Paul Sheehan | 277 | −7 | 3 strokes | Azuma Yano | 40,000,000 | Kasumigaseki (West) |
| 2005 | Shingo Katayama | 282 | −2 | 2 strokes | Ryoken Kawagishi Craig Parry | 24,000,000 | Hirono |
| 2004 | Toru Taniguchi | 285 | −3 | 4 strokes | Toshimitsu Izawa David Smail Yeh Wei-tze | 24,000,000 | Katayamazu (Hakusan) |
| 2003 | Keiichiro Fukabori | 276 | −8 | 2 strokes | Yasuharu Imano | 24,000,000 | Nikko |
| 2002 | David Smail | 271 | −9 | 4 strokes | Kim Jong-duck | 24,000,000 | Shimonoseki |
| 2001 | Taichi Teshima | 277 | −7 | 4 strokes | Tsuyoshi Yoneyama | 24,000,000 | Tokyo |
| 2000 | Naomichi Ozaki (2) | 281 | −3 | 1 stroke | Lin Keng-chi | 24,000,000 | Takanodai |
| 1999 | Naomichi Ozaki | 298 | +10 | 2 strokes | Kazuhiko Hosokawa Nobumitsu Yuhara | 24,000,000 | Otaru |
| 1998 | Hidemichi Tanaka | 283 | −5 | 1 stroke | Naomichi Ozaki | 24,000,000 | Oarai |
| 1997 | Craig Parry | 286 | +2 | 1 stroke | Frankie Miñoza Seiki Okuda Masashi Ozaki | 24,000,000 | Koga |
| 1996 | Peter Teravainen | 282 | −2 | 2 strokes | Frankie Miñoza | 24,000,000 | Ibaraki (West) |
| 1995 | Toshimitsu Izawa | 277 | −7 | 1 stroke | Kazuhiko Hosokawa | 16,200,000 | Kasumigaseki (East) |
| 1994 | Masashi Ozaki (5) | 270 | −18 | 13 strokes | David Ishii Hideki Kase | 18,000,000 | Yokkaichi |
| 1993 | Seiki Okuda | 281 | −3 | 5 strokes | Masashi Ozaki | 18,000,000 | Biwako |
| 1992 | Masashi Ozaki (4) | 277 | −11 | 5 strokes | Brent Franklin Masahiro Kuramoto | 18,000,000 | Ryugasaki |
| 1991 | Tsuneyuki Nakajima (4) | 290 | +2 | Playoff | Noboru Sugai | 18,000,000 | Shimonoseki |
| 1990 | Tsuneyuki Nakajima (3) | 281 | −7 | 2 strokes | Masashi Ozaki | 18,000,000 | Otaru |
| 1989 | Masashi Ozaki (3) | 274 | −6 | 1 stroke | Brian Jones | 10,000,000 | Nagoya (Wago) |
| 1988 | Masashi Ozaki (2) | 288 | +4 | 1 stroke | Isao Aoki Tsuneyuki Nakajima | 10,000,000 | Tokyo |
| 1987 | Isao Aoki (2) | 279 | −9 | 1 stroke | Tsuneyuki Nakajima Nobuo Serizawa | 10,000,000 | Arima Royal |
| 1986 | Tsuneyuki Nakajima (2) | 284 | −4 | 1 stroke | Isao Aoki Masashi Ozaki | 10,000,000 | Totsuka (West) |
| 1985 | Tsuneyuki Nakajima | 285 | −3 | 2 strokes | Hiroshi Makino | 10,000,000 | Higashinagoya |
| 1984 | Koichi Uehara | 283 | −5 | 2 strokes | Koichi Suzuki | 10,000,000 | Ranzan |
| 1983 | Isao Aoki | 281 | −7 | Playoff | Terry Gale | 8,000,000 | Rokko Kokusai |
| 1982 | Akira Yabe | 277 | −7 | 5 strokes | Yutaka Hagawa Naomichi Ozaki | 8,000,000 | Musashi (Toyooka) |
| 1981 | Yutaka Hagawa | 280 | E | 1 stroke | Kenji Mori Tsuneyuki Nakajima | 8,000,000 | Nihon Line |
| 1980 | Shoji Kikuchi | 296 | E | 1 stroke | Isao Aoki Kazuo Yoshikawa | 8,000,000 | Sagamihara (East) |
| 1979 | Kuo Chie-Hsiung | 285 | −3 | Playoff | Isao Aoki Koichi Uehara Yoshitaka Yamamoto | 8,000,000 | Hino |
| 1978 | Seve Ballesteros (2) | 281 | −7 | Playoff | Graham Marsh | 10,000,000 | Yokohama (West) |
| 1977 | Seve Ballesteros | 284 | E | 1 stroke | Takashi Murakami | 10,000,000 | Narashino |
| 1976 | Kosaku Shimada | 288 | −4 | 1 stroke | Tōru Nakamura Takashi Murakami | 10,000,000 | Central (East) |
| 1975 | Takashi Murakami | 278 | −10 | 3 strokes | Seiichi Kanai | 8,000,000 | Kasugai (East) |
| 1974 | Masashi Ozaki | 279 | −13 | 1 stroke | Takashi Murakami | 6,000,000 | Central (East) |
| 1973 | Ben Arda | 278 | −10 | 2 strokes | Isao Aoki | 4,500,000 | Ibaraki (West) |
| 1972 | Han Chang-sang | 278 | | 1 stroke | Masashi Ozaki | | Otone (East) |
| 1971 | Yoshimasa Fujii | 282 | | Playoff | Hideyo Sugimoto | | Aichi |
| 1970 | Mitsuhiro Kitta | 282 | | 1 stroke | Isao Aoki | | Musashi (Sasai) |
| 1969 | Hideyo Sugimoto (2) | 284 | | 1 stroke | Shigeru Uchida | | Ono |
| 1968 | Takaaki Kono | 284 | | 1 stroke | Kikuo Arai Bruce Devlin Namio Takasu | | Sobu (East & Middle) |
| 1967 | Tadashi Kitta | 282 | | 3 strokes | Tomoo Ishii Teruo Sugihara | | Hirono |
| 1966 | Seiichi Sato | 285 | | 1 stroke | Chen Ching-Po Tadashi Kitta Shozo Miyamoto | | Sodegaura |
| 1965 | Tadashi Kitta | 284 | | 1 stroke | Seiji Kumada Shigeru Uchida Kenji Unno | | Miyoshi |
| 1964 | Hideyo Sugimoto | 288 | | 1 stroke | Chen Ching-Po Kokuni Kimoto | | Tokyo |
| 1963 | Toichiro Toda (2) | 283 | | 2 strokes | Teruo Sugihara | | Yokkaichi |
| 1962 | Teruo Sugihara | 287 | | 2 strokes | Chen Ching-Po | | Chiba (Umesato) |
| 1961 | Kenji Hosoishi | 289 | | Playoff | Chen Ching-Po Hsieh Yung-yo Isao Katsumata Koichi Ono | | Takanodai |
| 1960 | Haruyoshi Kobari (2) | 294 | | 5 strokes | Yoshimasa Fujii Orville Moody Shiro Matsuda Koichi Ono | | Hirono |
| 1959 | Chen Ching-Po | 296 | | Playoff | Yumasa Shimamura | | Sagamihara |
| 1958 | Torakichi Nakamura (3) | 288 | | 4 strokes | Yoshiro Hayashi | | Takanodai |
| 1957 | Haruyoshi Kobari | 288 | | 6 strokes | Tomoo Ishii | | Aichi |
| 1956 | Torakichi Nakamura (2) | 285 | | 8 strokes | Haruyoshi Kobari | | Kasumigaseki (West) |
| 1955 | Koichi Ono (3) | 291 | | 5 strokes | Chin Sei-Sui | | Hirono |
| 1954 | Yoshiro Hayashi (2) | 293 | | 3 strokes | Michio Ishii Haruyoshi Kobari | | Tokyo |
| 1953 | Son Shi-Kin (2) | 291 | | 1 stroke | Torakichi Nakamura | | Takarazuka |
| 1952 | Torakichi Nakamura | 279 | | 11 strokes | Shigeru Ishii | | Kawana Hotel (Fuji) |
| 1951 | Son Shi-Kin | 288 | | 3 strokes | Koshio Kurihara | | Naruo |
| 1950 | Yoshiro Hayashi | 288 | | 1 stroke | Yumasa Shimamura | | Abiko |
| 1942–1949: No tournament due to World War II ||||||||
| 1941 | Tokuharu Nobuhara | 290 | | 3 strokes | Torakichi Nakamura | | Hodogaya |
| 1940 | Tomekichi Miyamoto (6) | 285 | | 2 strokes | Toichiro Toda | | Tokyo (Asaka) |
| 1939 | Toichiro Toda | 287 | | 5 strokes | Chin Sei-Sui | | Hirono |
| 1938 | Rin Man-Puku | 294 | | 3 strokes | Toichiro Toda | | Fujisawa |
| 1937 | Chin Sei-Sui | 284 | | 7 strokes | Rokuzo Asami | | Sagami |
| 1936 | Tomekichi Miyamoto (5) | 293 | | 1 stroke | Chin Sei-Sui | | Naruo |
| 1935 | Tomekichi Miyamoto (4) | 296 | | 8 strokes | Toichiro Toda | | Tokyo (Asaka) |
| 1934 | No tournament due to flood damage | No tournament due to flood damage | No tournament due to flood damage | No tournament due to flood damage | No tournament due to flood damage | No tournament due to flood damage | No tournament due to flood damage |
| 1933 | Kanekichi Nakamura | 294 | | 9 strokes | Chin Sei-Sui Larry Montes | | Kasumigaseki (East) |
| 1932 | Tomekichi Miyamoto (3) | 298 | | 1 stroke | Akira Muraki | | Ibaraki |
| 1931 | Rokuzo Asami (2) | 281 | | 4 strokes | Tomekichi Miyamoto | | Hodogaya |
| 1930 | Tomekichi Miyamoto (2) | 287 | | 19 strokes | Kokichi Yasuda | | Ibaraki |
| 1929 | Tomekichi Miyamoto | 298 | | 2 strokes | Kokichi Yasuda | | Ibaraki |
| 1928 | Rokuzo Asami | 301 | | 7 strokes | Kokichi Yasuda | | Tokyo (Komazawa) |
| 1927 | Rokuro Akahoshi | 309 | | 10 strokes | Rokuzo Asami | | Hodogaya |

## Future venues

* 2024：Tokyo Golf Club, Sayama City, Saitama
* 2025：Nikko Country Club, Nikko City, Tochigi
* 2026：Tarao Country Club (West Course), Kouga City, Shiga
* 2027：Boso Country Club Boso Golf Course (East Course), Mutsuzawa Town, Chosei District, Chiba Prifecture