| No. |
Round |
Date |
Circuit |
| 1 |
1&2 |
02/03
April 2005 |
Twin
Ring Motegi |
| 2 |
3,&4 |
16/17
April 2005 |
Suzuka
Circuit |
| 3 |
5&6 |
14/15
May 2005 |
Sportsland
Sugo |
| 4 |
7&8 |
04/05
June 2005 |
Fuji
Speedway |
| 5 |
9&10 |
18/19
June 2005 |
TI
Circuit Aida |
| 6 |
11&12 |
02/03
July 2005 |
Suzuka
Circuit |
| 7 |
13&14 |
30/31
July 2005 |
Miné
Circuit |
| 8 |
15&16 |
27/28
August 2005 |
Fuji
Speedway |
| 9 |
17&18 |
10/11
September 2005 |
Miné Circuit |
| 10 |
19&20 |
19/20
October 2005 |
Twin
Ring Motegi |
|
