| 1. Round | 13/08/1988 | RFC Liège | - | RSC Charleroi | 3:0 | ||||
| 4. Round | 24/08/1988 | RFC Liège | - | Sporting Lokeren | 2:0 | ||||
| 22. Round | 19/02/1989 | RFC Liège | - | Club Brugge KV | 0:0 | ||||
| 23. Round | 25/02/1989 | Sint-Truidense VV | - | RFC Liège | 0:4 | ||||
| 30. Round | 08/04/1989 | RFC Liège | - | Cercle Brugge | 4:0 |  |
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| 31. Round | 15/04/1989 | KRC Genk | - | RFC Liège | 0:1 | ||||
| 32. Round | 23/04/1989 | RFC Liège | - | RWD Molenbeek | 1:1 | ||||
| 33. Round | 06/05/1989 | KRC Mechelen | - | RFC Liège | 1:1 |
Belgium