| event | round | table | player one | result | player two |
| Grand Prix Houston 2002 | 7 | 58 | Humpherys, David (1974) | Lost 1-2 | Tamblyn, Mitchell (1507) |
| Grand Prix Oakland 2004 | 14 | 1 | Humpherys, David (2029) | ID | Tamblyn, Mitchell (1730) |
| Pro Tour San Diego 2004 | 15 | 9 | Humpherys, David (1975) | Lost 0-2 | Tamblyn, Mitchell (1800) |