event | round | table | player one | result | player two |
Grand Prix Kyoto 2007 | 5 | 5 | Sugaya, Hironobu (1504) | Lost 1-2 | Watanabe, Yuuya (1521) |
Grand Prix Kobe 2008 | 14 | 25 | Sugaya, Hironobu (1621) | Won 2-0 | Watanabe, Yuuya (1929) |
Grand Prix Manila 2012 | 7 | 6 | Sugaya, Hironobu (1762) | Won 2-0 | Watanabe, Yuuya (2199) |