| 3. Round | 28/08/1990 | RSC Anderlecht | - | Sint-Truidense VV | 1:0 |  |
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| 4. Round | 31/08/1990 | RFC Liège | - | RSC Anderlecht | 4:2 | ||||
| 5. Round | 14/09/1990 | RSC Anderlecht | - | KAA Gent | 1:1 | ||||
| 7. Round | 28/09/1990 | KRC Genk | - | RSC Anderlecht | 0:3 | ||||
| 8. Round | 06/10/1990 | RSC Anderlecht | - | KFC Germinal Ekeren | 4:0 | ||||
| 9. Round | 10/10/1990 | Lierse SK (old) | - | RSC Anderlecht | 0:4 | ||||
| 20. Round | 18/01/1991 | Sint-Truidense VV | - | RSC Anderlecht | 1:2 |  |
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| 25. Round | 21/02/1991 | KFC Germinal Ekeren | - | RSC Anderlecht | 3:2 | |
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| 23. Round | 08/03/1991 | RSC Anderlecht | - | KV Kortrijk | 3:0 | ||||
| 27. Round | 15/03/1991 | Club Brugge KV | - | RSC Anderlecht | 0:2 | ||||
| 28. Round | 29/03/1991 | RSC Anderlecht | - | RSC Charleroi | 4:0 | ||||
| 29. Round | 05/04/1991 | Standard Liège | - | RSC Anderlecht | 1:2 | |
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| 30. Round | 19/04/1991 | RSC Anderlecht | - | K. Beerschot VAV | 1:0 | ||||
| 31. Round | 04/05/1991 | KSV Waregem | - | RSC Anderlecht | 0:2 | ||||
| 32. Round | 10/05/1991 | RSC Anderlecht | - | RWD Molenbeek | 1:0 | ||||
| 34. Round | 25/05/1991 | RSC Anderlecht | - | Sporting Lokeren | 0:1 |
Nigeria
