2015 Season
| 26-Apr | Autopolis |
| 31-May | Motegi |
| 28-Jun | Sugo |
| 23-Aug | Motegi |
| 27-Sep | Tsukuba |
| 17-Oct | Okayama |
| 1-Nov | Suzuka |
Championship Standings
| Yuki Takahashi | 128 |
| Hiroyuki Ubukata | 121 |
| Taro Sekiguchi | 100 |
| Daijiro Hiura | 94 |
| Satoru Iwata | 90 |
| Kokoro Atsumi | 73 |
| Tetsuro Iwasaki | 70 |
| Takayuki Ohki | 70 |
| Kengo Nagao | 69 |
| Taiki Sato | 64 |
| Hitoyasu Izutsu | 56 |
| Takumi Kamiwada | 50 |
| * Yamamoto | 50 |
| Tomoya Hoshino | 49 |
| Kosuke Sakumoto | 44 |
Race Winners
| Yuki Takahashi | 5 |
| Tetsuta Nagashima | 1 |
Pole Positions
| Yuki Takahashi | 6 |
