| Europa League 1998/1999 - Appearances as Referee |  |
 |
 |
||||
| 15/09/1998 | Sporting CP | - | Bologna FC | 0:2 | 5 | - | 1 |
| 29/09/1998 | FK Obilić | - | Atlético Madrid | 0:1 | - | - | 1 |
| Europa League 1998/1999 - Appearances as Referee | |
|
|
||||
| 15/09/1998 | Sporting CP | - | Bologna FC | 0:2 | 5 | - | 1 |
| 29/09/1998 | FK Obilić | - | Atlético Madrid | 0:1 | - | - | 1 |
| Complete name: | Jan Willem Wegereef |
| Born: | 17/01/1962 |
| Place of birth: |
Ryssen, 
Netherlands |
| Nationality: |
Netherlands |
| Height: | 184 cm |
| Weight: | 78 kg |