2005 Season
| 24-Apr | Sendai |
| 5-Jun | Fuji |
| 19-Jun | Okayama |
| 3-Jul | Suzuka |
| 20-Aug | Tsukuba |
| 2-Oct | Sugo |
| 23-Oct | Motegi |
| 13-Nov | Fuji |
Standings
| Kazuya Oshima | 155 |
| Tsubasa Abe | 149 |
| Hiroaki Ishiura | 135 |
| Yuya Sakamoto | 107 |
| Yuhi Sekiguchi | 68 |
| Daisuke Mizutani | 65 |
| Takai Migo | 65 |
| Yamauchi Hideki | 44 |
| Yamashita Masayuki | 36 |
| Yamazaki Shinsuke | 13 |
| Eui-Chul Jeong | 11 |
| Masato Simoyama | 8 |
| Ryoji Matsubara | 6 |
| Takasumi Oiwa | 6 |
| Toru Sato | 4 |
Race Winners
| Tsubasa Abe | 4 |
| Kazuya Oshima | 3 |
| Hiroaki Ishiura | 2 |
| Daisuke Mizutani | 1 |
| Yuya Sakamoto | 1 |
Pole Positions
| Hiroaki Ishiura | 4 |
| Tsubasa Abe | 3 |
| Kazuya Oshima | 3 |
| Yuya Sakamoto | 1 |
