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 Iwamoto, Toshiyuki | |||||||
| No. | Rank | Points | Date | City | Class | Season | |
| 1 | 8 | 0 | 26.09.1999 | | Kagawa | 1/8 GP Racing Car | 1999 |
| 2 | 10 | 0 | 03.09.2000 | | Hokusei Circuit | 1/8 GP Racing Car | 2000 |
| 3 | 10 | 0 | 03.08.2003 | | Nasu36 Circuit | 1/8 GP Racing Car | 2003 |
| 4 | 4 | 0 | 07.09.2008 | | Hokusei Circuit | 1/10 GP Touring Car | 2008 |
| 5 | 7 | 0 | 18.09.2011 | | Ichihara | 1/10 GP Touring Car | 2011 |
| 6 | 3 | 0 | 09.09.2012 | | Hokusei Circuit | 1/10 GP Touring Car | 2012 |
