| event | round | table | player one | result | player two |
| Pro Tour London 1999 | 1 | 26 | Williams, David A (1566) | Won 2-0 | Mowshowitz, Zvi (1847) |
| Grand Prix Denver 2001 | 13 | 8 | Williams, David A (1985) | Won 2-1 | Mowshowitz, Zvi (1904) |
| Grand Prix Los Angeles 2002 | 10 | 24 | Williams, David A (1882) | Lost 1-2 | Mowshowitz, Zvi (1917) |
| 2004 World Championship | 5 | 80 | Williams, David A (1766) | Lost 0-2 | Mowshowitz, Zvi (1850) |