| event | round | table | player one | result | player two |
| Grand Prix Hiroshima 2006 | 9 | 21 | Kitayama, Masaya (1586) | Won 2-0 | Ikeda, Tsuyoshi (1888) |
| Grand Prix Taipei 2008 | 5 | 69 | Kitayama, Masaya (1858) | Lost 0-2 | Ikeda, Tsuyoshi (1849) |
| Grand Prix Kitakyushu 2009 | 6 | 10 | Kitayama, Masaya (1958) | Won 2-1 | Ikeda, Tsuyoshi (2142) |