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