| Europa League 2003/2004 - Appearances as Referee |  |
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| 03/03/2004 | Villarreal CF | - | Galatasaray | 3:0 | 5 | - | - |
| 11/03/2004 | SL Benfica | - | Inter | 0:0 | 3 | - | - |
| Europa League 2003/2004 - Appearances as Referee | |
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| 03/03/2004 | Villarreal CF | - | Galatasaray | 3:0 | 5 | - | - |
| 11/03/2004 | SL Benfica | - | Inter | 0:0 | 3 | - | - |
| Complete name: | Jan Willem Wegereef |
| Born: | 17/01/1962 |
| Place of birth: |
Ryssen, 
Netherlands |
| Nationality: |
Netherlands |
| Height: | 184 cm |
| Weight: | 78 kg |