| event | round | table | player one | result | player two |
| Grand Prix Okayama 2004 | 14 | 20 | Fujita, Osamu (2012) | Won 2-0 | Ogura, Ryou (1576) |
| Grand Prix Kitakyushu 2005 | 4 | 17 | Fujita, Osamu (2008) | Won 2-0 | Ogura, Ryou (1856) |
| Grand Prix Yamagata 2006 | 6 | 3 | Fujita, Osamu (1935) | Lost 0-2 | Ogura, Ryou (1896) |
| Grand Prix Kitakyushu 2007 | 4 | 31 | Fujita, Osamu (1934) | Won 2-1 | Ogura, Ryou (1915) |