event | round | table | player one | result | player two |
Grand Prix Shizuoka 2001 | 8 | 18 | Hassaku, Jinpei (1697) | Lost 0-2 | Morita, Masahiko (1636) |
Grand Prix Sendai 2001 | 14 | 19 | Hassaku, Jinpei (1694) | Lost 0-2 | Morita, Masahiko (1794) |
Grand Prix Okayama 2004 | 12 | 5 | Hassaku, Jinpei (1793) | Lost 0-2 | Morita, Masahiko (1961) |