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| 1st(1st leg) | Universidad de Chile | - | Universidad de Concepción | 1:0 | ||
| 2nd (2nd leg) | Universidad de Concepción | - | Universidad de Chile | 2:1 | ||
| 1st(1st leg): 07/06/2004 | 2nd (2nd leg): 12/06/2004 | Winner: Universidad de Chile | ||||
| 1st(1st leg) | Unión Española | - | Santiago Wanderers | 2:1 | ||
| 2nd (2nd leg) | Santiago Wanderers | - | Unión Española | 3:1 pso | ||
| 1st(1st leg): 07/06/2004 | 2nd (2nd leg): 12/06/2004 | Winner: Santiago Wanderers | ||||
| 1st(1st leg) | Deportes Temuco | - | Cobreloa | 1:1 | ||
| 2nd (2nd leg) | Cobreloa | - | Deportes Temuco | 3:1 | ||
| 1st(1st leg): 08/06/2004 | 2nd (2nd leg): 12/06/2004 | Winner: Cobreloa | ||||
| 1st(1st leg) | Huachipato | - | Colo-Colo | 1:1 | ||
| 2nd (2nd leg) | Colo-Colo | - | Huachipato | 0:1 | ||
| 1st(1st leg): 09/06/2004 | 2nd (2nd leg): 13/06/2004 | Winner: Huachipato | ||||
