event | round | table | player one | result | player two |
Grand Prix Kyoto 2000 | 7 | 52 | Yokoyama, Tadashi (1573) | Won 2-1 | Arita, Ryuichi (1550) |
Grand Prix Sendai 2001 | 12 | 11 | Yokoyama, Tadashi (1731) | Lost 0-2 | Arita, Ryuichi (1616) |
Grand Prix Okayama 2004 | 12 | 8 | Yokoyama, Tadashi (1792) | Lost 0-2 | Arita, Ryuichi (1694) |