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