| 1. Round | 21/08/2020 | KMSK Deinze | - | Union Saint-Gilloise | 0:2 |  |
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| 3. Round | 13/09/2020 | Club NXT | - | Union Saint-Gilloise | 1:1 | ||||
| 7. Round | 18/10/2020 | Lierse Kempenzonen | - | Union Saint-Gilloise | 0:2 | ||||
| 9. Round | 31/10/2020 | KVC Westerlo | - | Union Saint-Gilloise | 1:4 | ||||
| 10. Round | 08/11/2020 | Union Saint-Gilloise | - | KMSK Deinze | 3:0 | ||||
| 26. Round | 11/04/2021 | Lommel SK | - | Union Saint-Gilloise | 0:2 | ||||
| 27. Round | 16/04/2021 | Club NXT | - | Union Saint-Gilloise | 0:4 | ||||
| 28. Round | 25/04/2021 | Union Saint-Gilloise | - | KMSK Deinze | 2:2 |
Belgium