| event | round | table | player one | result | player two |
| Grand Prix Niigata 2005 | Q | Mori, Katsuhiro (1982) | Won 2-1 | Osawa, Takuya (1901) | |
| Grand Prix Manila 2006 | 8 | 6 | Mori, Katsuhiro (2082) | Draw 0-0 | Osawa, Takuya (1778) |
| Grand Prix Manila 2006 | 13 | 19 | Mori, Katsuhiro (2119) | Lost 1-2 | Osawa, Takuya (1838) |