| event | round | table | player one | result | player two |
| 2006 World Championship | 14 | 26 | Saito, Tomoharu (1952) | Lost 0-2 | Asahara, Akira (2029) |
| Grand Prix Shizuoka 2008 | 13 | 61 | Saito, Tomoharu (1954) | Lost 1-2 | Asahara, Akira (1981) |
| Grand Prix Kitakyushu 2009 | 7 | 2 | Saito, Tomoharu (2003) | Lost 0-2 | Asahara, Akira (1947) |
| Grand Prix Kitakyushu 2009 | 9 | 46 | Saito, Tomoharu (1997) | Won 2-1 | Asahara, Akira (1948) |