event | round | table | player one | result | player two |
Grand Prix New Orleans 2003 | 6 | 8 | Williams, David A (1877) | Won 2-1 | Lebedowicz, Osyp (1841) |
Pro Tour Venice 2003 | 2 | 45 | Williams, David A (1754) | Lost 0-2 | Lebedowicz, Osyp (1913) |
Pro Tour Los Angeles 2005 | 16 | 16 | Williams, David A (1835) | Won 2-0 | Lebedowicz, Osyp (1926) |
Pro Tour Honolulu 2009 | 12 | 39 | Williams, David A (1761) | Lost 0-2 | Lebedowicz, Osyp (1919) |