| 1. Round | 09/08/2020 | KV Mechelen | - | RSC Anderlecht | 2:2 | ||||
| 2. Round | 16/08/2020 | RSC Anderlecht | - | Sint-Truidense VV | 3:1 |  |
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| 3. Round | 23/08/2020 | RSC Anderlecht | - | Royal Excel Mouscron | 1:1 | |
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| 9. Round | 18/10/2020 | RSC Anderlecht | - | Oud-Heverlee Leuven | 2:2 | ||||
| 10. Round | 23/10/2020 | KV Kortrijk | - | RSC Anderlecht | 1:3 | ||||
| 11. Round | 01/11/2020 | RSC Anderlecht | - | Royal Antwerp FC | 1:0 | ||||
| 12. Round | 08/11/2020 | KAA Gent | - | RSC Anderlecht | 1:1 | ||||
| 13. Round | 22/11/2020 | K Beerschot VA | - | RSC Anderlecht | 2:1 | |
Austria