event | round | table | player one | result | player two |
Grand Prix Hiroshima 2006 | 4 | 99 | Sakamoto, Sakito (1487) | Lost 1-2 | Kawate, Junpei (1504) |
Grand Prix Kobe 2008 | 11 | 38 | Sakamoto, Sakito (1576) | Won 2-1 | Kawate, Junpei (1626) |
Grand Prix Okayama 2008 | 7 | 175 | Sakamoto, Sakito (1502) | Won 2-1 | Kawate, Junpei (1585) |