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