| 1. Round | 18/08/1990 | KFC Germinal Ekeren | - | Sporting Lokeren | 3:0 | ||||
| 14. Round | 17/11/1990 | RFC Liège | - | Sporting Lokeren | 2:2 | ||||
| 17. Round | 07/12/1990 | Sporting Lokeren | - | RSC Anderlecht | 0:1 | ||||
| 19. Round | 11/01/1991 | Lierse SK (old) | - | Sporting Lokeren | 0:2 | ||||
| 22. Round | 02/02/1991 | Sporting Lokeren | - | Standard Liège | 2:2 | ||||
| 25. Round | 22/02/1991 | RWD Molenbeek | - | Sporting Lokeren | 0:2 | ||||
| 26. Round | 02/03/1991 | Sporting Lokeren | - | KV Mechelen | 0:1 | ||||
| 23. Round | 08/03/1991 | K. Beerschot VAV | - | Sporting Lokeren | 2:0 | ||||
| 29. Round | 05/04/1991 | Sporting Lokeren | - | Royal Antwerp FC | 0:3 |
Belgium