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| U | Boca Juniors | - | Cerro Porteño | 1:1 (0:1) | ||
| R | Cerro Porteño | - | Boca Juniors | 7:8 (0:0, 0:0, 0:0) d.p. | ||
| U: 27.10.2004 | R: 10.11.2004 | Winnaars: Boca Juniors | ||||
| U | Arsenal de Sarandí | - | Bolívar | 1:0 (1:0) | ||
| R | Bolívar | - | Arsenal de Sarandí | 3:0 (1:0) | ||
| U: 28.10.2004 | R: 04.11.2004 | Winnaars: Bolívar | ||||
| U | Internacional | - | Atlético Junior | 1:0 (1:0) | ||
| R | Atlético Junior | - | Internacional | 1:1 (0:1) | ||
| U: 03.11.2004 | R: 10.11.2004 | Winnaars: Internacional | ||||
| U | LDU Quito | - | Santos FC | 3:2 (2:1) | ||
| R | Santos FC | - | LDU Quito | 1:2 (0:1) | ||
| U: 03.11.2004 | R: 10.11.2004 | Winnaars: LDU Quito | ||||
