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| 1st(1st leg) | Arda Kardzhali | - | Slavia Sofia | 0:0 (0:0) | ||
| 2nd (2nd leg) | Slavia Sofia | - | Arda Kardzhali | 0:1 (0:1) | ||
| 1st(1st leg): 06/04/2021 17:30 | 2nd (2nd leg): 13/04/2021 16:30 | Winner: Arda Kardzhali | ||||
| 1st(1st leg) | CSKA Sofia | - | PFC Ludogorets Razgrad | 1:1 (0:0) | ||
| 2nd (2nd leg) | PFC Ludogorets Razgrad | - | CSKA Sofia | 1:2 (0:2) | ||
| 1st(1st leg): 07/04/2021 17:30 | 2nd (2nd leg): 14/04/2021 16:30 | Winner: CSKA Sofia | ||||
