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| 1st(1st leg) | Isidro Metapán | - | Santa Tecla FC | 1:0 (1:0) | ||
| 2nd (2nd leg) | Santa Tecla FC | - | Isidro Metapán | 2:1 (1:0) | ||
| 1st(1st leg): 07/12/2017 01:00 | 2nd (2nd leg): 11/12/2017 01:00 | Winner: Isidro Metapán | ||||
| 1st(1st leg) | FAS | - | Alianza | 1:1 (0:1) | ||
| 2nd (2nd leg) | Alianza | - | FAS | 1:1 (0:1) | ||
| 1st(1st leg): 08/12/2017 01:30 | 2nd (2nd leg): 10/12/2017 21:00 | |||||
