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| 1st(1st leg) | Melipilla | - | Unión San Felipe | 0:1 (0:1) | ||
| 2nd (2nd leg) | Unión San Felipe | - | Melipilla | 1:3 (0:1, 0:1) pso | ||
| 1st(1st leg): 03/02/2021 23:00 | 2nd (2nd leg): 07/02/2021 22:15 | Winner: Melipilla | ||||
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| 1st(1st leg) | Melipilla | - | Unión San Felipe | 0:1 (0:1) | ||
| 2nd (2nd leg) | Unión San Felipe | - | Melipilla | 1:3 (0:1, 0:1) pso | ||
| 1st(1st leg): 03/02/2021 23:00 | 2nd (2nd leg): 07/02/2021 22:15 | Winner: Melipilla | ||||
