*Univ de Chile 2-1 Antofagasta
| 26.10.2017 | Antofagasta | 1-0 | Univ de Chile | |
| 19.10.2017 | Univ de Chile | 2-0 | Antofagasta | |
*Santiago Wanderers 1-1 CD Huachipato
| 25.10.2017 | CD Huachipato | 0-0/p.3-5 | Santiago Wanderers | |
| 18.10.2017 | Santiago Wanderers | 1-1 | CD Huachipato | |