| event | round | table | player one | result | player two |
| Pro Tour Nagoya 2005 | 11 | 10 | Ogura, Ryou (1769) | Lost 1-2 | Saito, Tomoharu (1780) |
| Grand Prix Niigata 2005 | 5 | 37 | Ogura, Ryou (1748) | Lost 1-2 | Saito, Tomoharu (1862) |
| Grand Prix Hiroshima 2006 | 12 | 24 | Ogura, Ryou (1879) | Lost 0-2 | Saito, Tomoharu (1829) |
| Grand Prix Yamagata 2006 | 11 | 3 | Ogura, Ryou (1950) | Won 2-0 | Saito, Tomoharu (1992) |
| 2006 World Championship | 12 | 7 | Ogura, Ryou (2001) | Won 2-0 | Saito, Tomoharu (1993) |