| 1. Round | 16/08/1989 | RSC Anderlecht | - | KSV Waregem | 6:0 | ||||
| 2. Round | 19/08/1989 | KSV Waregem | - | Cercle Brugge | 2:1 | ||||
| 3. Round | 30/08/1989 | Sint-Truidense VV | - | KSV Waregem | 1:1 | ||||
| 4. Round | 10/09/1989 | KSV Waregem | - | K. Beerschot VAV | 4:0 | ||||
| 5. Round | 16/09/1989 | Standard Liège | - | KSV Waregem | 1:1 | ||||
| 6. Round | 24/09/1989 | KSV Waregem | - | KV Kortrijk | 0:1 | ||||
| 8. Round | 07/10/1989 | KSV Waregem | - | KAA Gent | 0:3 | ||||
| 11. Round | 04/11/1989 | Lierse SK (old) | - | KSV Waregem | 2:0 | ||||
| 12. Round | 12/11/1989 | KSV Waregem | - | KSK Beveren | 4:0 |  |
|||
| 13. Round | 18/11/1989 | RFC Liège | - | KSV Waregem | 2:0 | ||||
| 14. Round | 26/11/1989 | KSV Waregem | - | RSC Charleroi | 2:2 |  |
|||
| 16. Round | 10/12/1989 | KRC Mechelen | - | KSV Waregem | 0:0 | |
|||
| 15. Round | 13/12/1989 | KSV Waregem | - | Royal Antwerp FC | 1:4 | |
|||
| 17. Round | 17/12/1989 | KSV Waregem | - | Sporting Lokeren | 1:1 | ||||
| 20. Round | 04/02/1990 | KSV Waregem | - | Sint-Truidense VV | 0:3 | ||||
| 25. Round | 10/03/1990 | KAA Gent | - | KSV Waregem | 2:2 |
Belgium