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 Hamaguchi, Yuuichi | |||||||
| No. | Rank | Points | Date | City | Class | Season | |
| 1 | 4 | 0 | 29.11.1998 | | SPL Speedway | 1/8 GP Racing Car | 1998 |
| 2 | 4 | 0 | 03.09.2000 | | Hokusei Circuit | 1/8 GP Racing Car | 2000 |
| 3 | 3 | 0 | 29.10.2000 | | Japan | 1/10 GP Touring Car | 2000 |
| 4 | 9 | 0 | 26.08.2001 | | Japan | 1/8 GP Racing Car | 2001 |
| 5 | 5 | 0 | 19.10.2003 | | Hokusei Circuit | 1/10 GP Touring Car | 2003 |
| 6 | 10 | 0 | 18.09.2005 | | Nasu 36 Circuit | 1/10 GP Touring Car | 2005 |
