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