| event | round | table | player one | result | player two |
| Grand Prix Niigata 2005 | 13 | 4 | Arita, Ryuichi (1679) | Lost 0-2 | Nakamura, Shuhei (1967) |
| Pro Tour Los Angeles 2005 | 8 | 4 | Arita, Ryuichi (1737) | Lost 0-2 | Nakamura, Shuhei (2038) |
| Grand Prix Okayama 2008 | 8 | 90 | Arita, Ryuichi (1865) | ID | Nakamura, Shuhei (2073) |