| event | round | table | player one | result | player two |
| Grand Prix Nashville 2010 | 4 | 402 | DeMars, Brian (1638) | Won 2-1 | Cox, Patrick (1908) |
| Grand Prix Chicago 2014 | 12 | 32 | DeMars, Brian (1875) | Won 2-1 | Cox, Patrick (1952) |
| Grand Prix Montreal 2017 | 9 | 2108 | DeMars, Brian (1833) | Lost 1-2 | Cox, Patrick (1682) |
| Grand Prix Milwaukee 2018 | 4 | 3 | DeMars, Brian (1813) | Won 2-1 | Cox, Patrick (1978) |