event | round | table | player one | result | player two |
Grand Prix Sapporo 2002 | 11 | 15 | Imagawa, Hiromasa (1580) | Lost 0-2 | Asahara, Akira (1714) |
Grand Prix Kitakyushu 2007 | 8 | 78 | Imagawa, Hiromasa (1680) | Won 2-1 | Asahara, Akira (2008) |
Grand Prix Kitakyushu 2007 | 11 | 1 | Imagawa, Hiromasa (1683) | Lost 0-2 | Asahara, Akira (2021) |