| event | round | table | player one | result | player two |
| Grand Prix Shizuoka 2008 | 11 | 25 | Yukuhiro, Ken (1680) | Lost 0-2 | Yamamoto, Akimasa (1712) |
| Grand Prix Kitakyushu 2009 | 8 | 5 | Yukuhiro, Ken (1713) | Won 2-1 | Yamamoto, Akimasa (1906) |
| Pro Tour San Juan 2010 | 11 | 37 | Yukuhiro, Ken (1845) | Lost 0-2 | Yamamoto, Akimasa (1813) |