| event | round | table | player one | result | player two |
| Grand Prix Columbus 2007 | 7 | 46 | DeMars, Brian (1617) | Won 2-1 | Duke, Ian (1593) |
| Grand Prix Chicago 2009 | 9 | 93 | DeMars, Brian (1600) | Won 2-1 | Duke, Ian (1598) |
| Grand Prix Providence 2011 | 12 | 22 | DeMars, Brian (1752) | Won 2-0 | Duke, Ian (1805) |