| event | round | table | player one | result | player two |
| Grand Prix Taipei 2005 | 4 | 25 | Oiso, Masashi (2217) | Won 2-0 | Kaji, Tomohiro (1857) |
| Grand Prix Kitakyushu 2005 | 7 | 19 | Oiso, Masashi (2157) | ID | Kaji, Tomohiro (1868) |
| Grand Prix Beijing 2005 | 4 | 3 | Oiso, Masashi (2196) | Won 1-0 | Kaji, Tomohiro (1983) |