| event | round | table | player one | result | player two |
| Grand Prix Antwerp 2002 | 6 | 8 | Karsten, Frank (1818) | Won 2-1 | Budde, Kai (2150) |
| 2003 European Championship | 7 | 63 | Karsten, Frank (1801) | Won 2-0 | Budde, Kai (1993) |
| Grand Prix Atlanta 2003 | 6 | 77 | Karsten, Frank (1886) | Lost 0-2 | Budde, Kai (1952) |
| Pro Tour Kobe 2004 | 2 | 7 | Karsten, Frank (1850) | Lost 1-2 | Budde, Kai (2147) |
| Grand Prix Copenhagen 2005 | 5 | 22 | Karsten, Frank (2033) | Won 2-1 | Budde, Kai (1890) |