event | round | table | player one | result | player two |
Grand Prix Nagoya 2014 | 12 | 13 | Yam, Wing Chun (1811) | Lost 1-2 | Yukuhiro, Ken (1945) |
Grand Prix Shanghai 2014 | 4 | 119 | Yam, Wing Chun (1899) | Lost 0-2 | Yukuhiro, Ken (1991) |
Grand Prix Auckland 2015 | 10 | 21 | Yam, Wing Chun (1951) | Won 1-0 | Yukuhiro, Ken (1974) |