event | round | table | player one | result | player two |
Grand Prix Kobe 2014 | 3 | 920 | Ogata, Nobuhiko (1531) | Lost 1-2 | Iwasawa, Fumiya (1412) |
Grand Prix Chiba 2015 | 9 | 2 | Ogata, Nobuhiko (1621) | Lost 1-2 | Iwasawa, Fumiya (1587) |
Grand Prix Chiba 2018 | 15 | 672 | Ogata, Nobuhiko (1657) | Won 2-1 | Iwasawa, Fumiya (1841) |