| event | round | table | player one | result | player two |
| Grand Prix Sapporo 2002 | 8 | 77 | Kumagai, Shinichi (1602) | Won 2-0 | Okamoto, Jin (1903) |
| Pro Tour Houston 2002 | 5 | 121 | Kumagai, Shinichi (1720) | Lost 0-2 | Okamoto, Jin (1882) |
| Grand Prix Hiroshima 2003 | 4 | 41 | Kumagai, Shinichi (1701) | Lost 0-2 | Okamoto, Jin (1900) |