| event | round | table | player one | result | player two |
| Grand Prix St. Louis 2006 | 4 | 124 | Penick, John (1505) | Lost 0-2 | Black, Samuel (1469) |
| Grand Prix Atlanta 2008 | 5 | 20 | Penick, John (1761) | Lost 1-2 | Black, Samuel (1570) |
| Grand Prix Lincoln 2012 | 7 | 58 | Penick, John (1609) | Draw 1-1 | Black, Samuel (1987) |