 |
| 1st(1st leg) | RFC Seraing | - | Waasland-Beveren | 1:1 (0:0) | ||
| 2nd (2nd leg) | Waasland-Beveren | - | RFC Seraing | 2:5 (1:2) | ||
| 1st(1st leg): 01/05/2021 17:30 | 2nd (2nd leg): 08/05/2021 19:45 | Winner: RFC Seraing | ||||
|
| 1st(1st leg) | RFC Seraing | - | Waasland-Beveren | 1:1 (0:0) | ||
| 2nd (2nd leg) | Waasland-Beveren | - | RFC Seraing | 2:5 (1:2) | ||
| 1st(1st leg): 01/05/2021 17:30 | 2nd (2nd leg): 08/05/2021 19:45 | Winner: RFC Seraing | ||||
