| 1. Round | 24/08/2020 | Lommel SK | - | RFC Seraing | 3:5 |  |
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| 2. Round | 28/08/2020 | RFC Seraing | - | KMSK Deinze | 3:2 | |
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| 3. Round | 13/09/2020 | RFC Seraing | - | KVC Westerlo | 0:2 | |
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| 7. Round | 18/10/2020 | RWD Molenbeek | - | RFC Seraing | 3:4 |  |
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| 16. Round | 24/01/2021 | KVC Westerlo | - | RFC Seraing | 4:3 | ||||
| 21. Round | 28/02/2021 | Lierse Kempenzonen | - | RFC Seraing | 0:1 | ||||
| 23. Round | 14/03/2021 | Club NXT | - | RFC Seraing | 0:1 | ||||
| 24. Round | 21/03/2021 | RFC Seraing | - | RWD Molenbeek | 1:0 | ||||
| 25. Round | 03/04/2021 | Union Saint-Gilloise | - | RFC Seraing | 2:0 | ||||
| 26. Round | 10/04/2021 | RFC Seraing | - | KMSK Deinze | 1:0 | |
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| 27. Round | 17/04/2021 | RFC Seraing | - | Lierse Kempenzonen | 0:0 | ||||
| 28. Round | 24/04/2021 | Lommel SK | - | RFC Seraing | 1:3 |
Senegal