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