event | round | table | player one | result | player two |
Grand Prix Yokohama 2004 | 6 | 14 | Takagi, Takeshi (1633) | Won 2-0 | Oiso, Masashi (2036) |
Grand Prix Kitakyushu 2005 | 10 | 7 | Takagi, Takeshi (1691) | Lost 0-2 | Oiso, Masashi (2177) |
Grand Prix Hiroshima 2006 | 5 | 12 | Takagi, Takeshi (1710) | Lost 1-2 | Oiso, Masashi (1874) |