| event | round | table | player one | result | player two |
| 2007 World Championship | 16 | 29 | Summersberger, Helmut (1818) | Won 2-0 | Thaler, Sebastian (2056) |
| Grand Prix Vienna 2008 | 9 | 9 | Summersberger, Helmut (1857) | Draw 1-1 | Thaler, Sebastian (1949) |
| Pro Tour Berlin 2008 | 8 | 3 | Summersberger, Helmut (2004) | Lost 1-2 | Thaler, Sebastian (1900) |