| event | round | table | player one | result | player two |
| Grand Prix Kitakyushu 2005 | 12 | 26 | Morita, Masahiko (2134) | ID | Asahara, Akira (2104) |
| Grand Prix Yamagata 2006 | 6 | 12 | Morita, Masahiko (1938) | Won 2-1 | Asahara, Akira (2046) |
| Grand Prix Yokohama 2010 | 10 | 48 | Morita, Masahiko (1948) | Lost 0-2 | Asahara, Akira (1952) |