event | round | table | player one | result | player two |
Grand Prix Hiroshima 2006 | 6 | 3 | Ishimura, Shintaro (1787) | Won 2-0 | Kuroda, Masashiro (1941) |
Grand Prix Hiroshima 2006 | 14 | 22 | Ishimura, Shintaro (1805) | Won 2-1 | Kuroda, Masashiro (1941) |
Grand Prix Yokohama 2010 | 4 | 100 | Ishimura, Shintaro (1927) | Lost 1-2 | Kuroda, Masashiro (2013) |
Grand Prix Shizuoka 2015 | 2 | 744 | Ishimura, Shintaro (2001) | Lost 0-2 | Kuroda, Masashiro (1871) |