| event | round | table | player one | result | player two |
| Grand Prix Atlanta 2011 | 4 | 26 | Sharfman, David (1968) | Lost 0-2 | Sacher, AJ (1785) |
| Grand Prix Costa Rica 2012 | 6 | 4 | Sharfman, David (1754) | Lost 1-2 | Sacher, AJ (1850) |
| Grand Prix Costa Rica 2012 | 12 | 28 | Sharfman, David (1789) | Won 2-0 | Sacher, AJ (1881) |
| Grand Prix Philadelphia 2012 | 4 | 503 | Sharfman, David (1800) | Lost 1-2 | Sacher, AJ (1890) |
| Grand Prix Chicago 2012 | 6 | 25 | Sharfman, David (1805) | Lost 0-2 | Sacher, AJ (1902) |