| 1. Round | 16/08/1991 | KAA Gent | - | Lierse SK (old) | 1:1 | ||||
| 2. Round | 20/08/1991 | Lierse SK (old) | - | Royal Antwerp FC | 0:1 | ||||
| 7. Round | 20/09/1991 | Lierse SK (old) | - | Club Brugge KV | 3:2 | ||||
| 8. Round | 27/09/1991 | RFC Liège | - | Lierse SK (old) | 2:3 |  |
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| 9. Round | 05/10/1991 | Lierse SK (old) | - | Sporting Lokeren | 2:1 | ||||
| 10. Round | 13/10/1991 | KFC Germinal Ekeren | - | Lierse SK (old) | 4:2 | ||||
| 11. Round | 19/10/1991 | Lierse SK (old) | - | KSK Beveren | 3:2 | |
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| 12. Round | 02/11/1991 | KSV Waregem | - | Lierse SK (old) | 3:1 | ||||
| 17. Round | 13/12/1991 | Lierse SK (old) | - | Standard Liège | 1:1 |
Belgium