| event | round | table | player one | result | player two |
| Grand Prix Kansas City 2008 | 12 | 3 | Penick, John (1845) | Lost 1-2 | Romao, Carlos (1774) |
| Grand Prix Atlanta 2008 | 8 | 82 | Penick, John (1735) | Lost 0-2 | Romao, Carlos (1764) |
| Grand Prix Kansas City 2011 | 8 | 107 | Penick, John (1572) | Won 2-1 | Romao, Carlos (1726) |