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| H (Match allé) | Colo-Colo | - | Cobreloa | 2:3 (1:1) | ||
| R (match retour) | Cobreloa | - | Colo-Colo | 1:2 (0:2) | ||
| H (Match allé): 17.12.2011 23:00 | R (match retour): 20.12.2011 22:00 | vainqueur: Cobreloa | ||||
| H (Match allé) | Universidad Católica | - | Universidad de Chile | 1:2 (1:1) | ||
| R (match retour) | Universidad de Chile | - | Universidad Católica | 1:2 (0:1) | ||
| H (Match allé): 18.12.2011 16:00 | R (match retour): 22.12.2011 23:00 | |||||
