| event | round | table | player one | result | player two |
| Grand Prix Copenhagen 2005 | 13 | 28 | Summersberger, Helmut (1682) | Won 2-0 | Maij, Rosario (1743) |
| Grand Prix Toulouse 2006 | 5 | 56 | Summersberger, Helmut (2018) | Lost 1-2 | Maij, Rosario (1835) |
| Grand Prix Rotterdam 2009 | 8 | 426 | Summersberger, Helmut (1857) | Lost 0-2 | Maij, Rosario (1885) |