event | round | table | player one | result | player two |
Grand Prix Vienna 2013 | 6 | 28 | Gerschenson, Immanuel (1593) | Lost 1-2 | Mackl, Valentin (2097) |
Grand Prix Copenhagen 2017 | 5 | 43 | Gerschenson, Immanuel (2075) | Lost 0-2 | Mackl, Valentin (2046) |
Grand Prix Prague 2018 | 10 | 110 | Gerschenson, Immanuel (1939) | Won 2-0 | Mackl, Valentin (1916) |