event | round | table | player one | result | player two |
Grand Prix Sapporo 2000 | 12 | 7 | Harada, Hiroshi (1552) | Lost 0-2 | Mori, Katsuhiro (1571) |
Grand Prix Sendai 2001 | 10 | 21 | Harada, Hiroshi (1670) | Lost 0-2 | Mori, Katsuhiro (1921) |
Grand Prix Sapporo 2002 | 8 | 36 | Harada, Hiroshi (1606) | Lost 1-2 | Mori, Katsuhiro (1886) |
Grand Prix Hiroshima 2003 | 8 | 20 | Harada, Hiroshi (1560) | Lost 0-2 | Mori, Katsuhiro (1876) |