| event | round | table | player one | result | player two |
| 2007 World Championship | 12 | 5 | Potovin, Nikolay (1993) | Lost 0-2 | Chapin, Patrick (1933) |
| Pro Tour Berlin 2008 | 6 | 19 | Potovin, Nikolay (1939) | Lost 0-2 | Chapin, Patrick (1905) |
| Pro Tour Honolulu 2009 | 10 | 38 | Potovin, Nikolay (2124) | Lost 1-2 | Chapin, Patrick (1786) |
| Grand Prix Tampa 2009 | 10 | 18 | Potovin, Nikolay (1996) | Lost 1-2 | Chapin, Patrick (1740) |