| event | round | table | player one | result | player two |
| Grand Prix Houston 2002 | 9 | 1 | Rubin, Benjamin (1963) | Won 2-1 | Ho, Ken (1798) |
| Grand Prix Tampa Bay 2002 | 8 | 2 | Rubin, Benjamin (1966) | Lost 0-2 | Ho, Ken (1715) |
| Grand Prix Oakland 2004 | Q | Rubin, Benjamin (2110) | Lost 1-2 | Ho, Ken (1840) | |
| Grand Prix Phoenix 2006 | 14 | 12 | Rubin, Benjamin (1949) | Won 2-0 | Ho, Ken (1926) |