| event | round | table | player one | result | player two |
| Grand Prix Lisbon 2012 | 4 | 83 | Summersberger, Helmut (1827) | Won 2-1 | Rutar, Andrej (1936) |
| Grand Prix London 2018 | 11 | 57 | Summersberger, Helmut (1796) | Draw 1-1 | Rutar, Andrej (1870) |
| Grand Prix Prague 2018 | 14 | 81 | Summersberger, Helmut (1912) | Won 2-0 | Rutar, Andrej (1956) |