# 2023 SRO Japan Cup

The 2023 Fanatec Japan Cup is the second season of the Japan Cup Series, an auto racing series for grand tourer cars in Japan, co-promoted by the SRO Motorsports Group and Team Asia One GT Management. The races are contested with GT3-spec and GT4-spec cars. The season began on 17 June at the Fuji Speedway in Shizuoka and is scheduled to end on 20 August at Okayama International Circuit in Okayama.

## Calendar

| Round | Circuit | Date |
| 1 | Fuji Speedway, Oyama, Shizuoka | 17–18 June |
| 2 | Suzuka International Racing Course, Suzuka, Mie | 15–16 July |
| 3 | Mobility Resort Motegi, Motegi, Tochigi | 22–23 July |
| 4 | Okayama International Circuit, Mimasaka, Okayama | 19–20 August |
| Sources: |||

## Entry list

| Team | Car | Engine | No. | Drivers | Class | Rounds |
| GT3 |||||||
| Car Guy Racing | Ferrari 296 GT3 1 Ferrari 488 GT3 Evo 2020 3 | Ferrari 3.0 L twin-turbocharged V6 1 Ferrari F154CB 3.9 L Turbo V8 3 | 1 | Kei Cozzolino | PA | 1, 3–4 |
| Car Guy Racing | Ferrari 296 GT3 1 Ferrari 488 GT3 Evo 2020 3 | Ferrari 3.0 L twin-turbocharged V6 1 Ferrari F154CB 3.9 L Turbo V8 3 | 1 | Takeshi Kimura | PA | 1, 3–4 |
| BMW M Team Studie | BMW M4 GT3 | BMW S58B30T0 3.0 L Turbo V8 | 5 | Seiji Ara | PA | All |
| BMW M Team Studie | BMW M4 GT3 | BMW S58B30T0 3.0 L Turbo V8 | 5 | Tomohide Yamaguchi | PA | All |
| Comet Racing | Ferrari 488 GT3 Evo 2020 | Ferrari F154CB 3.9 L Turbo V8 | 7 | Yorikatsu Tsujiko | Am | All |
| Comet Racing | Ferrari 488 GT3 Evo 2020 | Ferrari F154CB 3.9 L Turbo V8 | 7 | Yusuke Yamasaki | Am | All |
| Bingo Racing | Corvette C7 GT3-R | Chevrolet 6.2 L V8 | 9 | Akira Iida | PA | 1 |
| Bingo Racing | Corvette C7 GT3-R | Chevrolet 6.2 L V8 | 9 | Shinji Takei | PA | 1 |
| ABSSA Motorsport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 16 | Keita Sawa | PA | 1–2 |
| ABSSA Motorsport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 16 | Kiwamu Katayama | PA | 1 |
| ABSSA Motorsport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 16 | Masataka Inoue | PA | 2 |
| CREF Motor Sport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 17 | Masataka Inoue | PA | 1, 3 |
| CREF Motor Sport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 17 | Yuko Suzuki | PA | 1, 3 |
| CREF Motor Sport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 17 | Katsuaki Kubota | PA | 2 |
| CREF Motor Sport | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 17 | Atsushi Miyake | PA | 2 |
| Porsche Centre Okazaki | Porsche 911 GT3 R (992) | Porsche 4.2 L Flat-6 | 18 | Yuta Kamimura | PA | All |
| Porsche Centre Okazaki | Porsche 911 GT3 R (992) | Porsche 4.2 L Flat-6 | 18 | Hiroaki Nagai | PA | All |
| The Spirit of FFF Racing | Lamborghini Huracán GT3 Evo | Lamborghini 5.2 L V10 | 19 | Mineki Okura | Am | All |
| The Spirit of FFF Racing | Lamborghini Huracán GT3 Evo | Lamborghini 5.2 L V10 | 19 | Hiroshi Hamaguchi | Am | 1, 3–4 |
| The Spirit of FFF Racing | Lamborghini Huracán GT3 Evo | Lamborghini 5.2 L V10 | 19 | Takuya Shirasaka | Am | 2 |
| NK Racing | Porsche 911 GT3 R (992) | Porsche 4.2 L Flat-6 | 25 | Tsubasa Kondo | PA | All |
| NK Racing | Porsche 911 GT3 R (992) | Porsche 4.2 L Flat-6 | 25 | Kiyoshi Uchiyama | PA | All |
| D'station Racing | Aston Martin Vantage AMR GT3 | Aston Martin 4.0 L Turbo V8 | 47 | Tomonobu Fujii | PA | All |
| D'station Racing | Aston Martin Vantage AMR GT3 | Aston Martin 4.0 L Turbo V8 | 47 | Satoshi Hoshino | PA | All |
| Team Uematsu | McLaren 720S GT3 | McLaren M840T 4.0L Turbo V8 | 55 | Tadao Uematsu | Am | 1, 3 |
| LM Corsa | Ferrari 296 GT3 | Ferrari 3.0 L twin-turbocharged V6 | 60 | Kei Nakanishi | PA | All |
| LM Corsa | Ferrari 296 GT3 | Ferrari 3.0 L twin-turbocharged V6 | 60 | Shigekazu Wakisaka | PA | All |
| K-tunes Racing | Lexus RC F GT3 | Toyota 2UR 5.0 L V8 | 96 | Morio Nitta | PA | 1–2, 4 |
| K-tunes Racing | Lexus RC F GT3 | Toyota 2UR 5.0 L V8 | 96 | Kazunori Suenaga | PA | 1–2, 4 |
| RunUp Sports | Nissan GT-R Nismo GT3 | Nissan 3.8 L twin-turbocharged V6 | 360 | Masaaki Nishikawa | Am | All |
| RunUp Sports | Nissan GT-R Nismo GT3 | Nissan 3.8 L twin-turbocharged V6 | 360 | Atsushi Tanaka | Am | All |
| Team 5ZIGEN | Nissan GT-R Nismo GT3 | Nissan 3.8 L twin-turbocharged V6 | 500 | "Hirobon" | PA | 1–2, 4 |
| Team 5ZIGEN | Nissan GT-R Nismo GT3 | Nissan 3.8 L twin-turbocharged V6 | 500 | Shintaro Kawabata | PA | 1–2, 4 |
| GT4 |||||||
| CREF Motor Sport | McLaren Artura GT4 | McLaren M630 3.0 L Turbo V6 | 27 | Masataka Inoue | SA | 4 |
| CREF Motor Sport | McLaren Artura GT4 | McLaren M630 3.0 L Turbo V6 | 27 | Yuko Suzuki | SA | 4 |
| D'station Racing | Aston Martin Vantage AMR GT4 | Aston Martin 4.0 L Turbo V8 | 48 | Kenji Hama | Am | 4 |
| D'station Racing | Aston Martin Vantage AMR GT4 | Aston Martin 4.0 L Turbo V8 | 48 | Tatsuya Hoshino | Am | 4 |
| YZ Racing with Studie | BMW M4 GT4 Gen II | BMW 3.0 L Twin-Turbo I6 | 50 | Masaki Kano | SA | All |
| YZ Racing with Studie | BMW M4 GT4 Gen II | BMW 3.0 L Twin-Turbo I6 | 50 | Manabu Orido | SA | All |
| Akiland Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 71 | Masayoshi Oyama | SA | 1–2, 4 |
| Akiland Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 71 | Ryohei Sakaguchi | SA | 1–2, 4 |
| Comet Racing | Mercedes-AMG GT4 | Mercedes-AMG M178 4.0 L V8 | 83 | Kazuki Oki | SA | 4 |
| Comet Racing | Mercedes-AMG GT4 | Mercedes-AMG M178 4.0 L V8 | 83 | Risa Oogushi | SA | 4 |
| K-tunes Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 97 | Hiromitsu Fujii | Am | 1–2 |
| K-tunes Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 97 | Masanori Nogami | Am | 1–2 |
| Checkshop Caymania Racing | Porsche 718 Cayman GT4 RS Clubsport | Porsche 4.0 L Flat-6 | 718 | Sho Kobayashi | Am | All |
| Checkshop Caymania Racing | Porsche 718 Cayman GT4 RS Clubsport | Porsche 4.0 L Flat-6 | 718 | Naohiko Otsuka | Am | All |
| Icon | Class |
| Drivers ||
| PA | Pro-Am Cup |
| SA | Silver-Am Cup |
| Am | Am Cup |

## Race results

Bold indicates overall winner for each car class (GT3 and GT4).
| Round | Round | Circuit | Pole Position | Pro/Am Winners | Am Winners | GT4 Silver-Am Winner | GT4 Am Winner |
| 1 | R1 | Fuji Speedway | No. 9 Bingo Racing | No. 9 Bingo Racing | No. 7 Comet Racing | No. 50 YZ Racing with Studie | No. 718 Checkshop Caymania Racing |
| 1 | R1 | Fuji Speedway | Akira Iida Shinji Takei | Akira Iida Shinji Takei | Yorikatsu Tsujiko Yusuke Yamasaki | Masaki Kano Manabu Orido | Sho Kobayashi Naohiko Otsuka |
| 1 | R2 | Fuji Speedway | No. 1 CarGuy Racing | No. 88 BMW M Team Studie | No. 7 Comet Racing | No. 71 Akiland Racing | No. 718 Checkshop Caymania Racing |
| 1 | R2 | Fuji Speedway | Kei Cozzolino Takeshi Kimura | Seiji Ara Tomohide Yamaguchi | Yorikatsu Tsujiko Yusuke Yamasaki | Masayoshi Oyama Ryohei Sakaguchi | Sho Kobayashi Naohiko Otsuka |
| 2 | R1 | Suzuka | No. 16 ABSSA Motorsport | No. 500 Team 5ZIGEN | No. 7 Comet Racing | No. 50 YZ Racing with Studie | No. 718 Checkshop Caymania Racing |
| 2 | R1 | Suzuka | Keita Sawa Masataka Inoue | "Hirobon" Shintaro Kawabata | Yorikatsu Tsujiko Yusuke Yamasaki | Masaki Kano Manabu Orido | Sho Kobayashi Naohiko Otsuka |
| 2 | R2 | Suzuka | No. 500 Team 5ZIGEN | No. 48 D'Station Racing | No. 7 Comet Racing | No. 50 YZ Racing with Studie | No. 718 Checkshop Caymania Racing |
| 2 | R2 | Suzuka | "Hirobon" Shintaro Kawabata | Tomonobu Fujii Satoshi Hoshino | Yorikatsu Tsujiko Yusuke Yamasaki | Masaki Kano Manabu Orido | Sho Kobayashi Naohiko Otsuka |
| 3 | R1 | Motegi | No. 19 The Spirit of FFF Racing | No. 18 Porsche Centre Okazaki | No. 19 The Spirit of FFF Racing | No. 50 YZ Racing with Studie | No. 718 Checkshop Caymania Racing |
| 3 | R1 | Motegi | Hiroshi Hamaguchi Mineki Okura | Yuta Kamimura Hiroaki Nagai | Hiroshi Hamaguchi Mineki Okura | Masaki Kano Manabu Orido | Sho Kobayashi Naohiko Otsuka |
| 3 | R2 | Motegi | No. 18 Porsche Centre Okazaki | No. 18 Porsche Centre Okazaki | No. 19 The Spirit of FFF Racing | No. 50 YZ Racing with Studie | No. 718 Checkshop Caymania Racing |
| 3 | R2 | Motegi | Yuta Kamimura Hiroaki Nagai | Yuta Kamimura Hiroaki Nagai | Hiroshi Hamaguchi Mineki Okura | Masaki Kano Manabu Orido | Sho Kobayashi Naohiko Otsuka |
| 4 | R1 | Okayama | No. 500 Team 5ZIGEN | No. 500 Team 5ZIGEN | No. 19 The Spirit of FFF Racing | No. 71 Akiland Racing | No. 718 Checkshop Caymania Racing |
| 4 | R1 | Okayama | "Hirobon" Shintaro Kawabata | "Hirobon" Shintaro Kawabata | Hiroshi Hamaguchi Mineki Okura | Masayoshi Oyama Ryohei Sakaguchi | Sho Kobayashi Naohiko Otsuka |
| 4 | R2 | Okayama | No. 1 CarGuy Racing | No. 88 BMW M Team Studie | No. 19 The Spirit of FFF Racing | No. 50 YZ Racing with Studie | No. 48 D'Station Racing |
| 4 | R2 | Okayama | Kei Cozzolino Takeshi Kimura | Seiji Ara Tomohide Yamaguchi | Hiroshi Hamaguchi Mineki Okura | Masaki Kano Manabu Orido | Kenji Hama Tatsuya Hoshino |

## Championship standings
### Scoring system

Championship points are awarded for the first ten positions in each race. Entries are required to complete 75% of the winning car's race distance in order to be classified and earn points. Individual drivers are required to participate for a minimum of 25 minutes in order to earn championship points in any race.
| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th |
| Points | 25 | 18 | 15 | 12 | 10 | 8 | 6 | 4 | 2 | 1 |

### Drivers' championships
#### Overall

| Pos. | Driver | Team | FUJ | FUJ | SUZ | SUZ | MOT | MOT | OKA | OKA | Points |
| GT3 ||||||||||||
| 1 | Yuta Kamimura Hiroaki Nagai | No. 18 Porsche Centre Okazaki | 4 | 6 | 2 | 3 | 1 | 1 | 3 | 3 | 133 |
| 2 | Tomonobu Fujii Satoshi Hoshino | No. 47 D'station Racing | 10 | 2 | Ret | 1 | 3 | 2 | 5 | 4 | 108 |
| 3 | Seiji Ara Tomohide Yamaguchi | No. 5 BMW M Team Studie | Ret | 1 | 3 | 2 | Ret | Ret | 9 | 1 | 85 |
| 4 | Kei Cozzolino Takeshi Kimura | No. 1 Car Guy Racing | 3 | 3 | | | 2 | 9 | 2 | 5 | 78 |
| 5 | "Hirobon" Shintaro Kawabata | No. 500 Team 5ZIGEN | 9 | Ret | 1 | 10 | | | 1 | 2 | 71 |
| 6 | Tsubasa Kondo Kiyoshi Uchiyama | No. 25 NK Racing | 2 | 14 | 5 | 4 | 8 | 7 | 4 | 6 | 70 |
| 7 | Yorikatsu Tsujiko Yusuke Yamasaki | No. 7 Comet Racing | 7 | 4 | 8 | 8 | 6 | 6 | 10 | 9 | 45 |
| 8 | Mineki Okura | No. 19 The Spirit of FFF Racing | DNS | Ret | Ret | | 4 | 3 | 6 | 7 | 41 |
| 8 | Hiroshi Hamaguchi | No. 19 The Spirit of FFF Racing | DNS | Ret | | | 4 | 3 | 6 | 7 | 41 |
| 9 | Kei Nakanishi Shigekazu Wakisaka | No. 60 LM Corsa | Ret | 8 | 6 | 6 | Ret | 4 | 7 | | 38 |
| 10 | Hiroaki Hatano Shinya Hosokawa | No. 33 Team GMB | 6 | 10 | 7 | 7 | 7 | 8 | | | 31 |
| 11 | Tadao Uematsu | No. 55 Team Uematsu | 13 | 5 | | | 5 | 5 | | | 30 |
| 12 | Akira Iida Shinji Takei | No. 9 Bingo Racing | 1 | Ret | | | | | | | 25 |
| 13 | Katsuaki Kubota Atsushi Miyake | No. 17 CREF Motor Sport | | | 4 | 5 | | | | | 22 |
| 14 | Morio Nitta Kazunori Suenaga | No. 96 K-tunes Racing | 8 | 15 | Ret | DNS | | | 8 | 8 | 12 |
| 15 | Masaaki Nishikawa Atsushi Tanaka | No. 360 RunUp Sports | 10 | 9 | 9 | 9 | 10 | 10 | | 10 | 10 |
| 16 | Keita Sawa | No. 16 ABSSA Motorsport | Ret | 7 | | Ret | | | | | 6 |
| 16 | Kiwamu Katayama | No. 16 ABSSA Motorsport | Ret | 7 | | | | | | | 6 |
| 17 | Masataka Inoue | No. 17 CREF Motor Sport No. 16 ABSSA Motorsport | Ret | DNS | | Ret | 9 | | | | 2 |
| 17 | Yuko Suzuki | No. 17 CREF Motor Sport | Ret | DNS | | | 9 | | | | 2 |
| — | Takuya Shirasaka | No. 19 The Spirit of FFF Racing | | | Ret | 33 | | | | | 0 |
| GT4 ||||||||||||
| 1 | Masaki Kano Manabu Orido | No. 50 YZ Racing with Studie | 11 | DSQ | 30 | 30 | 26 | 28 | 5 | 1 | 162 |
| 2 | Sho Kobayashi Naohiko Otsuka | No. 718 Checkshop Caymania Racing | 14 | 11 | 32 | 32 | 27 | 29 | 3 | 4 | 136 |
| 3 | Masayoshi Oyama Ryohei Sakaguchi | No. 71 Akiland Racing | 12 | 12 | 31 | Ret | | | 1 | 2 | 87 |
| 4 | Hiromitsu Fujii Masanori Nogami | No. 97 K-tunes Racing | 15 | 13 | | | | | | | 27 |
| Guest drivers ineligible to score points ||||||||||||
| GT4 ||||||||||||
| — | Kenji Hama Tatsuya Hoshino | No. 48 D'station Racing | | | | | | | 5 | 3 | — |
| — | Masataka Inoue Yuko Suzuki | No. 27 CREF Motor Sport | | | | | | | 2 | Ret | — |
| — | Kazuki Oki Risa Oogushi | No. 83 Comet Racing | | | | | | | 7 | 6 | — |
| Pos. | Driver | Team | FUJ | FUJ | SUZ | SUZ | MOT | MOT | OKA | OKA | Points |
| Colour | Result |
| Gold | Winner |
| Silver | Second place |
| Bronze | Third place |
| Green | Points finish |
| Blue | Non-points finish |
| Blue | Non-classified finish (NC) |
| Purple | Retired (Ret) |
| Red | Did not qualify (DNQ) |
| Red | Did not pre-qualify (DNPQ) |
| Black | Disqualified (DSQ) |
| White | Did not start (DNS) |
| White | Withdrew (WD) |
| White | Race cancelled (C) |
| Blank | Did not practice (DNP) |
| Blank | Did not arrive (DNA) |
| Blank | Excluded (EX) |
Notes:
* † – Drivers did not finish the race, but were classified as they completed more than 90% of the race distance.