event | round | table | player one | result | player two |
2007 World Championship | 12 | 2 | Nakano, Yoshitaka (1950) | Won 2-1 | Ootsuka, Koutarou (2063) |
Grand Prix Taipei 2008 | 4 | 15 | Nakano, Yoshitaka (1983) | Lost 1-2 | Ootsuka, Koutarou (2059) |
2008 World Championship | 13 | 11 | Nakano, Yoshitaka (2081) | Won 2-0 | Ootsuka, Koutarou (2079) |
Grand Prix Kobe 2009 | 7 | 41 | Nakano, Yoshitaka (2079) | Lost 0-2 | Ootsuka, Koutarou (2099) |