| event | round | table | player one | result | player two |
| Grand Prix Providence 2011 | 6 | 412 | Nass, Matthew (2000) | Lost 0-1 | Turtenwald, Owen (2176) |
| Grand Prix San Diego 2013 | 13 | 5 | Nass, Matthew (1865) | Lost 1-2 | Turtenwald, Owen (1947) |
| Grand Prix Providence 2015 | 15 | 405 | Nass, Matthew (1816) | Won 2-0 | Turtenwald, Owen (2030) |