| event | round | table | player one | result | player two |
| Pro Tour Osaka 2002 | 3 | 28 | Asahara, Akira (1679) | Won 2-0 | Takakuwa, Akihiro (1708) |
| Grand Prix Utsunomiya 2002 | 7 | 25 | Asahara, Akira (1797) | Lost 1-2 | Takakuwa, Akihiro (1659) |
| Grand Prix Kyoto 2003 | 13 | 24 | Asahara, Akira (1959) | Lost 0-2 | Takakuwa, Akihiro (1821) |
| Grand Prix Kyoto 2003 | S | Asahara, Akira (1957) | Won 2-1 | Takakuwa, Akihiro (1842) | |
| Grand Prix Sendai 2004 | 4 | 51 | Asahara, Akira (1877) | Won 2-0 | Takakuwa, Akihiro (1788) |