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| 1st(1st leg) | Sevilla FC | - | FC Barcelona | 2:0 (1:0) | ||
| 2nd (2nd leg) | FC Barcelona | - | Sevilla FC | 3:0 (1:0, 2:0) aet | ||
| 1st(1st leg): 10/02/2021 20:00 | 2nd (2nd leg): 03/03/2021 20:00 | Winner: FC Barcelona | ||||
| 1st(1st leg) | Athletic Bilbao | - | Levante UD | 1:1 (0:1) | ||
| 2nd (2nd leg) | Levante UD | - | Athletic Bilbao | 1:2 (1:1, 1:1) aet | ||
| 1st(1st leg): 11/02/2021 20:00 | 2nd (2nd leg): 04/03/2021 20:00 | Winner: Athletic Bilbao | ||||
