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| 1st(1st leg) | Cobreloa | - | Unión Española | 4:1 | ||
| 2nd (2nd leg) | Unión Española | - | Cobreloa | 2:4 | ||
| 1st(1st leg): 03/12/2003 | 2nd (2nd leg): 06/12/2003 | Winner: Cobreloa | ||||
| 1st(1st leg) | Cobresal | - | Universidad de Concepción | 2:1 | ||
| 2nd (2nd leg) | Universidad de Concepción | - | Cobresal | 5:2 | ||
| 1st(1st leg): 03/12/2003 | 2nd (2nd leg): 07/12/2003 | Winner: Universidad de Concepción | ||||
| 1st(1st leg) | Universidad Católica | - | Colo-Colo | 1:2 | ||
| 2nd (2nd leg) | Colo-Colo | - | Universidad Católica | 0:0 | ||
| 1st(1st leg): 04/12/2003 | 2nd (2nd leg): 06/12/2003 | Winner: Colo-Colo | ||||
| 1st(1st leg) | Palestino | - | Santiago Wanderers | 1:1 | ||
| 2nd (2nd leg) | Santiago Wanderers | - | Palestino | 1:1 | ||
| 1st(1st leg): 04/12/2003 | 2nd (2nd leg): 07/12/2003 | |||||
