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 Otsuka, Masahiro | ||||||||
| No. | Rank | Points | Date | City | Series | Class | Season | |
| 1 | 27 | 0 | 29.07.2003 |  | Portland, OR | ROAR | 2wd Stock Buggy | 2003 |
| 2 | 31 | 0 | 29.07.2003 | | Portland, OR | ROAR | 2WD Truck Stock | 2003 |
| 3 | 15 | 0 | 29.07.2003 | | Portland, OR | ROAR | 4wd Stock Buggy | 2003 |
| 4 | 96 | 0 | 10.10.2015 | | Tsukuba | IFMAR | 2WD | 2015 |
| 5 | 107 | 0 | 10.10.2015 | | Tsukuba | IFMAR | 4WD | 2015 |
