| 19. Round | 11/01/1991 | RSC Charleroi | - | RWD Molenbeek | 0:0 | ||||
| 20. Round | 19/01/1991 | RWD Molenbeek | - | Standard Liège | 0:1 | ||||
| 21. Round | 25/01/1991 | K. Beerschot VAV | - | RWD Molenbeek | 1:3 | ||||
| 22. Round | 02/02/1991 | RWD Molenbeek | - | KSV Waregem | 0:0 | ||||
| 25. Round | 22/02/1991 | RWD Molenbeek | - | Sporting Lokeren | 0:2 | ||||
| 26. Round | 02/03/1991 | Cercle Brugge | - | RWD Molenbeek | 1:1 | ||||
| 23. Round | 08/03/1991 | KRC Genk | - | RWD Molenbeek | 0:0 | ||||
| 27. Round | 16/03/1991 | RWD Molenbeek | - | Royal Antwerp FC | 2:0 | ||||
| 28. Round | 29/03/1991 | Sint-Truidense VV | - | RWD Molenbeek | 0:2 | ||||
| 29. Round | 06/04/1991 | RWD Molenbeek | - | RFC Liège | 2:0 |  |
|||
| 24. Round | 12/04/1991 | KV Mechelen | - | RWD Molenbeek | 4:0 | ||||
| 30. Round | 18/04/1991 | KAA Gent | - | RWD Molenbeek | 1:2 | |
|||
| 31. Round | 04/05/1991 | RWD Molenbeek | - | KV Kortrijk | 5:0 | ||||
| 32. Round | 10/05/1991 | RSC Anderlecht | - | RWD Molenbeek | 1:0 | ||||
| 33. Round | 18/05/1991 | RWD Molenbeek | - | KFC Germinal Ekeren | 6:1 | ||||
| 34. Round | 25/05/1991 | Lierse SK (old) | - | RWD Molenbeek | 2:1 |
Belgium