| event | round | table | player one | result | player two |
| Grand Prix Kyoto 2003 | 6 | 5 | Morita, Masahiko (1878) | Lost 0-2 | Kuroda, Masashiro (1798) |
| Grand Prix Yokohama 2003 | 15 | 1 | Morita, Masahiko (2035) | Lost 0-2 | Kuroda, Masashiro (1940) |
| Grand Prix Niigata 2005 | 13 | 11 | Morita, Masahiko (2049) | Won 2-1 | Kuroda, Masashiro (2034) |
| Grand Prix Kitakyushu 2007 | 8 | 60 | Morita, Masahiko (2107) | Won 2-1 | Kuroda, Masashiro (1898) |