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| 1st(1st leg) | Colo-Colo | - | Deportes Iquique | 3:3 (1:2) | ||
| 2nd (2nd leg) | Deportes Iquique | - | Colo-Colo | 1:2 (1:2) | ||
| 1st(1st leg): 23/05/2012 20:30 | 2nd (2nd leg): 26/05/2012 21:00 | Winner: Colo-Colo | ||||
| 1st(1st leg) | Unión Española | - | Universidad Católica | 3:0 (0:0) | ||
| 2nd (2nd leg) | Universidad Católica | - | Unión Española | 1:1 (0:0) | ||
| 1st(1st leg): 24/05/2012 01:00 | 2nd (2nd leg): 26/05/2012 17:30 | Winner: Unión Española | ||||
| 1st(1st leg) | Unión La Calera | - | O'Higgins | 0:1 (0:0) | ||
| 2nd (2nd leg) | O'Higgins | - | Unión La Calera | 3:2 (0:0) | ||
| 1st(1st leg): 25/05/2012 00:00 | 2nd (2nd leg): 27/05/2012 23:30 | Winner: O'Higgins | ||||
| 1st(1st leg) | Cobreloa | - | Universidad de Chile | 0:2 (0:1) | ||
| 2nd (2nd leg) | Universidad de Chile | - | Cobreloa | 2:1 (1:0) | ||
| 1st(1st leg): 27/05/2012 21:00 | 2nd (2nd leg): 12/06/2012 01:00 | Winner: Universidad de Chile | ||||
