event | round | table | player one | result | player two |
Grand Prix Shizuoka 2008 | 13 | 8 | Watanabe, Yuuya (1837) | Lost 1-2 | Nakamura, Hajime (1589) |
Grand Prix Niigata 2009 | 14 | 5 | Watanabe, Yuuya (1997) | Lost 0-2 | Nakamura, Hajime (1745) |
Grand Prix Kitakyushu 2009 | 9 | 47 | Watanabe, Yuuya (2180) | Won 2-0 | Nakamura, Hajime (1814) |