event | round | table | player one | result | player two |
Grand Prix Utsunomiya 2002 | 7 | 2 | Okamoto, Jin (1917) | Lost 1-2 | Tsumura, Kenji (1578) |
Grand Prix Utsunomiya 2002 | 13 | 4 | Okamoto, Jin (1932) | Won 2-0 | Tsumura, Kenji (1628) |
Pro Tour Yokohama 2003 | 7 | 62 | Okamoto, Jin (1805) | Won 2-0 | Tsumura, Kenji (1587) |
Grand Prix Yokohama 2003 | 12 | 69 | Okamoto, Jin (1954) | Lost 1-2 | Tsumura, Kenji (1606) |