event | round | table | player one | result | player two |
Grand Prix Kobe 2001 | 8 | 135 | Sumitomo, Hiroyuki (1521) | Lost 0-2 | Kushibe, Toshiki (1456) |
Grand Prix Kyoto 2003 | 3 | 172 | Sumitomo, Hiroyuki (1502) | Lost 1-2 | Kushibe, Toshiki (1438) |
Grand Prix Shizuoka 2003 | 5 | 93 | Sumitomo, Hiroyuki (1539) | Lost 1-2 | Kushibe, Toshiki (1623) |