| event | round | table | player one | result | player two |
| 2005 World Championship | 6 | 4 | Kaji, Tomohiro (2007) | Won 2-0 | Mori, Katsuhiro (2153) |
| 2005 World Championship | 9 | 95 | Kaji, Tomohiro (2064) | Lost 0-2 | Mori, Katsuhiro (2154) |
| 2005 World Championship | 14 | 1 | Kaji, Tomohiro (2076) | Draw 1-1 | Mori, Katsuhiro (2231) |
| 2005 World Championship | S | Kaji, Tomohiro (2111) | Lost 1-3 | Mori, Katsuhiro (2194) | |
| Grand Prix Yamagata 2006 | 14 | 3 | Kaji, Tomohiro (1988) | Lost 0-2 | Mori, Katsuhiro (2046) |