# 2025 SRO Japan Cup

The 2025 SRO Japan Cup is the fourth season of the SRO Japan Cup, 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, GTC-spec and GT4-spec cars with hopes of GT2-spec entries. The season began on 8 June at the Sportsland SUGO in Miyagi and is scheduled to end on 14 September Suzuka International Circuit in Okayama.

## Calendar

| Round | Circuit | Date |
| 1 | Sportsland SUGO, Murata, Miyagi | 13–15 June |
| 2 | Fuji Speedway, Oyama, Shizuoka | 11–13 July |
| 3 | Okayama International Circuit, Mimasaka, Okayama | 29–31 August |
| 4 | Suzuka International Racing Course, Suzuka, Mie | 12–14 September |
| Sources: |||

## Entry list

| Team | Car | Engine | No. | Drivers | Class | Rounds |
| GT3 |||||||
| Max Racing | Mercedes-AMG GT3 Evo | Mercedes-AMG M159 6.2 L V8 | 24 | Yuya Motojima | PA | TBC |
| Max Racing | Mercedes-AMG GT3 Evo | Mercedes-AMG M159 6.2 L V8 | 24 | TBA | PA | TBC |
| Ponos Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 45 | Kei Cozzolino | PA | TBC |
| Ponos Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 45 | Yorikatsu Tsujiko | PA | TBC |
| Team Macchina | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 55 | Tadao Uematsu | TBA | TBC |
| Team Macchina | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 55 | TBA | TBA | TBC |
| CarGuy Racing | Ferrari 488 GT3 Evo 2020 | Ferrari F154CB 3.9 L Turbo V8 | 66 | Kazuki Ota | Am | TBC |
| CarGuy Racing | Ferrari 488 GT3 Evo 2020 | Ferrari F154CB 3.9 L Turbo V8 | 66 | Takashi Toyoda | Am | TBC |
| GTNET Motorsports | Nissan GT-R Nismo GT3 | Nissan VR38DETT 3.8 L Twin Turbo V6 | 81 | Nobuyuki Oyagi | Am | TBC |
| GTNET Motorsports | Nissan GT-R Nismo GT3 | Nissan VR38DETT 3.8 L Twin Turbo V6 | 81 | Ryuichiro Oyagi | Am | TBC |
| K-tunes Racing | Lexus RC F GT3 | Toyota 2UR 5.0 L V8 | 96 | Nirei Fukuzumi | PA | TBC |
| K-tunes Racing | Lexus RC F GT3 | Toyota 2UR 5.0 L V8 | 96 | Kazunori Suenaga | PA | TBC |
| K-tunes Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 98 | Shinichi Takagi | PA | TBC |
| K-tunes Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 98 | Daisuke Yamawaki | PA | TBC |
| RunUp Sports | Nissan GT-R Nismo GT3 | Nissan VR38DETT 3.8 L Twin Turbo V6 | 360 | Masaaki Nishikawa | Am | TBC |
| RunUp Sports | Nissan GT-R Nismo GT3 | Nissan VR38DETT 3.8 L Twin Turbo V6 | 360 | Atsushi Tanaka | Am | TBC |
| Maezawa Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 555 | Yusaku Maezawa | PA | TBC |
| Maezawa Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | 555 | Naoki Yokomizo | PA | TBC |
| Seven x Seven Racing | Porsche 911 GT3 R (992) | Porsche M97/80 4.2 L Flat-6 | 666 | "Bankcy" | PA | TBC |
| Seven x Seven Racing | Porsche 911 GT3 R (992) | Porsche M97/80 4.2 L Flat-6 | 666 | Kiyoto Fujinami | PA | TBC |
| Toda Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | TBA | "Akita" | PA | TBC |
| Toda Racing | Ferrari 296 GT3 | Ferrari F163 3.0 L Turbo V6 | TBA | Takashi Kobayashi | PA | TBC |
| GT4 |||||||
| Toyota Gazoo Racing Indonesia | Toyota GR Supra GT4 Evo | BMW B58B30 3.0 L Twin Turbo I6 | 39 | Haridarma Manoppo | SA | TBC |
| Toyota Gazoo Racing Indonesia | Toyota GR Supra GT4 Evo | BMW B58B30 3.0 L Twin Turbo I6 | 39 | Seita Nonaka | SA | TBC |
| Sunrise BLVD | Porsche 718 Cayman GT4 RS Clubsport | Porsche MDG 4.0 L Flat-6 | 82 | Daiki Fujiwara | SA | TBC |
| Sunrise BLVD | Porsche 718 Cayman GT4 RS Clubsport | Porsche MDG 4.0 L Flat-6 | 82 | Yoshimoto Makino | SA | TBC |
| K-tunes Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 97 | Yoshichika Nagai | TBA | TBC |
| K-tunes Racing | Toyota GR Supra GT4 | BMW B58B30 3.0 L Twin Turbo I6 | 97 | TBA | TBA | TBC |
| Murakami Motors | Porsche 718 Cayman GT4 RS Clubsport | Porsche MDG 4.0 L Flat-6 | TBA | TBA | TBA | TBC |
| Murakami Motors | Porsche 718 Cayman GT4 RS Clubsport | Porsche MDG 4.0 L Flat-6 | TBA | TBA | TBA | TBC |
| Icon | Class |
| Drivers ||
| PA | Pro-Am Cup |
| SA | Silver-Am Cup |
| Am | Am Cup |

## 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 |