, 4-2.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Yokohama 2003 | 2 | 43 | Nakajima, Chikara (1642) | Lost 0-2 | Komuro, Shuu (1618) |
| Grand Prix Kuala Lumpur 2006 | 14 | 28 | Nakajima, Chikara (1694) | Won 2-0 | Komuro, Shuu (1828) |
| Grand Prix Kyoto 2007 | 4 | 3 | Nakajima, Chikara (1517) | Won 2-0 | Komuro, Shuu (1733) |
| Grand Prix Kitakyushu 2007 | 4 | 5 | Nakajima, Chikara (1697) | Won 2-1 | Komuro, Shuu (1763) |
| Grand Prix Kobe 2008 | 13 | 14 | Nakajima, Chikara (1647) | Lost 1-2 | Komuro, Shuu (1914) |
| Grand Prix Bangkok 2009 | 9 | 14 | Nakajima, Chikara (1837) | Won 2-1 | Komuro, Shuu (1889) |