| event | round | table | player one | result | player two |
| Grand Prix Sendai 2010 | 13 | 1 | Mihara, Makihito (1943) | Won 2-1 | Watanabe, Yuuya (2002) |
| Grand Prix Taipei 2012 | Q | Mihara, Makihito (2038) | Won 2-1 | Watanabe, Yuuya (2257) | |
| Grand Prix Shizuoka 2018 (standard) | 8 | 253 | Mihara, Makihito (1998) | Lost 0-2 | Watanabe, Yuuya (2131) |