| 3. Round | 12/09/2020 | KMSK Deinze | - | RWD Molenbeek | 1:0 | ||||
| 5. Round | 27/09/2020 | Lommel SK | - | KMSK Deinze | 1:2 | ||||
| 6. Round | 04/10/2020 | KMSK Deinze | - | Lierse Kempenzonen | 2:1 | ||||
| 7. Round | 16/10/2020 | Club NXT | - | KMSK Deinze | 1:1 | ||||
| 10. Round | 08/11/2020 | Union Saint-Gilloise | - | KMSK Deinze | 3:0 |  |
|||
| 9. Round | 15/11/2020 | KMSK Deinze | - | RFC Seraing | 3:0 | |
|||
| 4. Round | 18/11/2020 | KVC Westerlo | - | KMSK Deinze | 3:0 | ||||
| 11. Round | 21/11/2020 | KMSK Deinze | - | Lommel SK | 1:1 | ||||
| 12. Round | 27/11/2020 | KMSK Deinze | - | Club NXT | 1:0 | ||||
| 13. Round | 06/12/2020 | RWD Molenbeek | - | KMSK Deinze | 1:1 | ||||
| 14. Round | 12/12/2020 | Lierse Kempenzonen | - | KMSK Deinze | 3:4 | ||||
| 15. Round | 20/12/2020 | KMSK Deinze | - | RFC Seraing | 0:0 | |
|||
| 16. Round | 23/01/2021 | KMSK Deinze | - | Union Saint-Gilloise | 2:4 | ||||
| 17. Round | 29/01/2021 | Lommel SK | - | KMSK Deinze | 4:2 | ||||
| 20. Round | 21/02/2021 | KMSK Deinze | - | Club NXT | 4:0 | ||||
| 21. Round | 28/02/2021 | KVC Westerlo | - | KMSK Deinze | 4:0 |
Belgium