| 1. Round | 08/08/2004 | KV Oostende | - | KVC Westerlo | 3:3 | ||||
| 2. Round | 14/08/2004 | KVC Westerlo | - | Lierse SK (old) | 2:1 | ||||
| 3. Round | 21/08/2004 | Sporting Charleroi | - | KVC Westerlo | 0:1 |  |
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| 4. Round | 28/08/2004 | KVC Westerlo | - | Cercle Brugge | 1:2 | ||||
| 5. Round | 11/09/2004 | FC Brussels | - | KVC Westerlo | 0:1 | ||||
| 6. Round | 18/09/2004 | KVC Westerlo | - | KRC Genk | 0:0 | ||||
| 7. Round | 25/09/2004 | Sporting Lokeren | - | KVC Westerlo | 3:1 | ||||
| 8. Round | 03/10/2004 | KVC Westerlo | - | RAA La Louviére | 0:2 | |
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| 9. Round | 16/10/2004 | Standard Liège | - | KVC Westerlo | 2:0 | ||||
| 10. Round | 23/10/2004 | KVC Westerlo | - | Excelsior Mouscron | 0:1 | ||||
| 11. Round | 30/10/2004 | KVC Westerlo | - | Germinal Beerschot | 1:0 | ||||
| 12. Round | 05/11/2004 | Club Brugge KV | - | KVC Westerlo | 2:0 | ||||
| 31. Round | 29/04/2005 | KVC Westerlo | - | RSC Anderlecht | 2:2 | ||||
| 32. Round | 08/05/2005 | Sint-Truidense VV | - | KVC Westerlo | 1:0 | ||||
| 33. Round | 15/05/2005 | KVC Westerlo | - | KSK Beveren | 1:1 | ||||
| 34. Round | 21/05/2005 | KAA Gent | - | KVC Westerlo | 1:0 |
Belgium