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