| event | round | table | player one | result | player two |
| Grand Prix Minneapolis 2016 | 11 | 8 | Pierce, Stephen (1860) | Lost 1-2 | Severa, Matt (1914) |
| Grand Prix Denver 2017 | 13 | 22 | Pierce, Stephen (1569) | Won 2-1 | Severa, Matt (1991) |
| Grand Prix Atlanta 2017 | 11 | 9 | Pierce, Stephen (1649) | Lost 1-2 | Severa, Matt (2108) |
| Grand Prix Dallas-Fort Worth 2018 | 10 | 29 | Pierce, Stephen (1654) | Won 2-0 | Severa, Matt (2033) |