event | round | table | player one | result | player two |
Grand Prix Kyoto 2007 | 5 | 45 | Mitamura, Kazuya (1802) | Draw 1-1 | Mihara, Makihito (2154) |
Grand Prix Kitakyushu 2007 | 4 | 26 | Mitamura, Kazuya (1908) | Won 2-1 | Mihara, Makihito (2133) |
Grand Prix Okayama 2008 | F | Mitamura, Kazuya (2050) | Lost 0-2 | Mihara, Makihito (2111) | |
Grand Prix Singapore 2009 | 4 | 7 | Mitamura, Kazuya (1930) | Won 2-0 | Mihara, Makihito (1906) |