| 5. Round | 31/08/1988 | Lierse SK (old) | - | Sporting Lokeren | 1:2 | ||||
| 8. Round | 18/09/1988 | Sporting Lokeren | - | RSC Anderlecht | 2:4 | ||||
| 9. Round | 21/09/1988 | KV Mechelen | - | Sporting Lokeren | 2:1 | ||||
| 10. Round | 25/09/1988 | Sporting Lokeren | - | Royal Antwerp FC | 2:2 | ||||
| 11. Round | 01/10/1988 | KSV Waregem | - | Sporting Lokeren | 1:2 | ||||
| 18. Round | 10/12/1988 | K. Beerschot VAV | - | Sporting Lokeren | 2:2 | ||||
| 19. Round | 18/12/1988 | Sporting Lokeren | - | RSC Charleroi | 1:1 | ||||
| 22. Round | 19/02/1989 | Sporting Lokeren | - | Lierse SK (old) | 0:1 | ||||
| 26. Round | 19/03/1989 | Sporting Lokeren | - | KV Mechelen | 0:3 |
Belgium