2015 Season
| 19-Apr | Suzuka |
| 24-May | Okayama |
| 19-Jul | Fuji |
| 23-Aug | Motegi |
| 13-Sep | Autopolis |
| 18-Oct | Sugo |
| 8-Nov | Suzuka |
Standings
| Hiroaki Ishiura | 51.5 |
| Kazuki Nakajima | 45.5 |
| Andre Lotterer | 40 |
| Paolo de Oliveira | 34 |
| Naoki Yamamoto | 26 |
| Kamui Kobayashi | 20 |
| Tomoki Nojiri | 19 |
| Ryo Hirakawa | 13 |
| Yuji Kunimoto | 7.5 |
| Daisuke Nakajima | 7 |
| Narain Karthikeyan | 6 |
| James Rossiter | 5 |
| Takuya Izawa | 4.5 |
| Andrea Caldarelli | 4 |
| Takashi Kogure | 2.5 |
Race Winners
| Andre Lotterer | 3 |
| Hiroaki Ishiura | 2 |
| Paolo de Oliveira | 1 |
| Kazuki Nakajima | 1 |
| Naoki Yamamoto | 1 |
Pole Positions
| Hiroaki Ishiura | 3 |
| Andre Lotterer | 2 |
| Naoki Yamamoto | 2 |
| Andrea Caldarelli | 1 |
