| event | round | table | player one | result | player two |
| Pro Tour London 2005 | 12 | 20 | Karsten, Frank (1939) | Won 2-0 | Szleifer, Gadiel (1998) |
| Grand Prix Salt Lake City 2005 | 11 | 3 | Karsten, Frank (2022) | Won 2-0 | Szleifer, Gadiel (2001) |
| Grand Prix Mexico City 2005 | 8 | 5 | Karsten, Frank (2028) | Won 2-0 | Szleifer, Gadiel (1994) |
| Grand Prix Montreal 2007 | 11 | 10 | Karsten, Frank (2009) | Draw 0-0 | Szleifer, Gadiel (1902) |