event | round | table | player one | result | player two |
Grand Prix Sendai 2004 | 14 | 11 | Okamoto, Jin (1981) | ID | Shimura, Ichirou (1866) |
Grand Prix Sendai 2004 | Q | Okamoto, Jin (1981) | Lost 1-2 | Shimura, Ichirou (1866) | |
Grand Prix Yokohama 2004 | 13 | 12 | Okamoto, Jin (1914) | Won 2-1 | Shimura, Ichirou (1818) |