| 17. Round | 17/12/1989 | KSV Waregem | - | Sporting Lokeren | 1:1 | ||||
| 21. Round | 10/02/1990 | K. Beerschot VAV | - | KSV Waregem | 2:0 | ||||
| 22. Round | 18/02/1990 | KSV Waregem | - | Standard Liège | 1:1 | ||||
| 23. Round | 25/02/1990 | KV Kortrijk | - | KSV Waregem | 1:2 | ||||
| 24. Round | 03/03/1990 | KSV Waregem | - | KV Mechelen | 0:2 | ||||
| 25. Round | 10/03/1990 | KAA Gent | - | KSV Waregem | 2:2 | ||||
| 26. Round | 18/03/1990 | KSV Waregem | - | KFC Germinal Ekeren | 1:1 | ||||
| 27. Round | 25/03/1990 | Club Brugge KV | - | KSV Waregem | 3:0 |  |
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| 28. Round | 31/03/1990 | KSV Waregem | - | Lierse SK (old) | 2:1 | ||||
| 29. Round | 07/04/1990 | KSK Beveren | - | KSV Waregem | 1:0 | ||||
| 30. Round | 14/04/1990 | KSV Waregem | - | RFC Liège | 3:1 | ||||
| 31. Round | 21/04/1990 | RSC Charleroi | - | KSV Waregem | 0:2 | ||||
| 33. Round | 05/05/1990 | KSV Waregem | - | KRC Mechelen | 2:1 | ||||
| 34. Round | 12/05/1990 | Sporting Lokeren | - | KSV Waregem | 1:1 |
Belgium