 |
 |
|
|
| 1st(1st leg) | Cobreloa | - | Audax Italiano | 5:2 | ||
| 2nd (2nd leg) | Audax Italiano | - | Cobreloa | 2:1 | ||
| 1st(1st leg): 24/11/2004 | 2nd (2nd leg): 27/11/2004 | Winner: Cobreloa | ||||
| 1st(1st leg) | Unión Española | - | Universidad de Concepción | 0:0 | ||
| 2nd (2nd leg) | Universidad de Concepción | - | Unión Española | 1:3 pso | ||
| 1st(1st leg): 24/11/2004 | 2nd (2nd leg): 28/11/2004 | Winner: Unión Española | ||||
| 1st(1st leg) | Everton | - | Cobresal | 3:2 | ||
| 2nd (2nd leg) | Cobresal | - | Everton | 3:1 pso | ||
| 1st(1st leg): 24/11/2004 | 2nd (2nd leg): 28/11/2004 | Winner: Cobresal | ||||
| 1st(1st leg) | Coquimbo Unido | - | Colo-Colo | 3:7 | ||
| 2nd (2nd leg) | Colo-Colo | - | Coquimbo Unido | 1:1 | ||
| 1st(1st leg): 24/11/2004 | 2nd (2nd leg): 27/11/2004 | Winner: Colo-Colo | ||||
| 1st(1st leg) | Unión San Felipe | - | Universidad Católica | 2:2 | ||
| 2nd (2nd leg) | Universidad Católica | - | Unión San Felipe | 3:0 | ||
| 1st(1st leg): 25/11/2004 | 2nd (2nd leg): 28/11/2004 | Winner: Universidad Católica | ||||
| 1st(1st leg) | Deportes Temuco | - | Universidad de Chile | 2:0 | ||
| 2nd (2nd leg) | Universidad de Chile | - | Deportes Temuco | 5:3 pso | ||
| 1st(1st leg): 25/11/2004 | 2nd (2nd leg): 28/11/2004 | Winner: Universidad de Chile | ||||
