| event | round | table | player one | result | player two |
| 2005 World Championship | 15 | 80 | Lebedowicz, Osyp (1847) | Won 2-1 | Warmenhoven, Ruud (1781) |
| Pro Tour Honolulu 2006 | 3 | 36 | Lebedowicz, Osyp (1824) | Won 2-1 | Warmenhoven, Ruud (1736) |
| Pro Tour Prague 2006 | 8 | 23 | Lebedowicz, Osyp (1947) | Lost 1-2 | Warmenhoven, Ruud (1839) |
| Pro Tour Hollywood 2008 | 2 | 12 | Lebedowicz, Osyp (1945) | Lost 0-2 | Warmenhoven, Ruud (1787) |