event | round | table | player one | result | player two |
2010 World Championship | 12 | 24 | Ishimura, Shintaro (1968) | Won 2-1 | Nakajima, Chikara (1775) |
Grand Prix Yokohama 2013 | 12 | 102 | Ishimura, Shintaro (2027) | Lost 1-2 | Nakajima, Chikara (1969) |
Grand Prix Yokohama 2013 | 16 | 68 | Ishimura, Shintaro (2056) | Won 2-0 | Nakajima, Chikara (1993) |