| 1. Round | 24/08/2020 | Lommel SK | - | RFC Seraing | 3:5 | ||||
| 5. Round | 29/09/2020 | Lierse Kempenzonen | - | RFC Seraing | 2:5 | ||||
| 6. Round | 02/10/2020 | RFC Seraing | - | Club NXT | 6:1 | ||||
| 7. Round | 18/10/2020 | RWD Molenbeek | - | RFC Seraing | 3:4 | ||||
| 19. Round | 03/03/2021 | RWD Molenbeek | - | RFC Seraing | 2:4 |  |
|||
| 27. Round | 17/04/2021 | RFC Seraing | - | Lierse Kempenzonen | 0:0 | |
France