| event | round | table | player one | result | player two |
| Pro Tour Osaka 2002 | 3 | 10 | Karsten, Frank (1908) | Lost 1-2 | Siron, Geoffrey (1712) |
| Pro Tour Columbus 2004 | 7 | 12 | Karsten, Frank (1966) | Lost 0-2 | Siron, Geoffrey (1879) |
| Pro Tour Los Angeles 2005 | 16 | 27 | Karsten, Frank (2020) | ID | Siron, Geoffrey (1915) |
| Pro Tour Valencia 2007 | 13 | 8 | Karsten, Frank (2086) | Lost 0-2 | Siron, Geoffrey (1864) |