| event | round | table | player one | result | player two |
| Grand Prix Toronto 2010 | 2 | 26 | Walker, Noah (1531) | Lost 0-2 | Lebedowicz, Osyp (1896) |
| Grand Prix Providence 2016 | 8 | 21 | Walker, Noah (2041) | Lost 1-2 | Lebedowicz, Osyp (1865) |
| Grand Prix New Jersey 2017 (lim) | 14 | 39 | Walker, Noah (1974) | Won 2-1 | Lebedowicz, Osyp (1872) |