| event | round | table | player one | result | player two |
| Grand Prix Taipei 2005 | 5 | 54 | Arita, Ryuichi (1649) | Won 2-1 | Hayashi, Hiroki (1660) |
| Pro Tour Los Angeles 2005 | 9 | 8 | Arita, Ryuichi (1724) | Won 2-1 | Hayashi, Hiroki (1692) |
| Grand Prix Kitakyushu 2005 | 6 | 7 | Arita, Ryuichi (1816) | Won 2-0 | Hayashi, Hiroki (1682) |
| Grand Prix Kobe 2008 | 12 | 39 | Arita, Ryuichi (1794) | Lost 1-2 | Hayashi, Hiroki (1684) |