| event | round | table | player one | result | player two |
| Grand Prix Prague 2003 | 15 | 8 | Wiegersma, Jelger (2098) | ID | Gundersen, Thomas (1899) |
| Grand Prix Gothenburg 2003 | 12 | 15 | Wiegersma, Jelger (1968) | Won 2-0 | Gundersen, Thomas (1916) |
| Pro Tour Nagoya 2005 | 12 | 19 | Wiegersma, Jelger (1771) | Lost 0-2 | Gundersen, Thomas (1905) |