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| I | Santos FC | - | Cienciano | 1:1 (0:0) | ||
| V | Cienciano | - | Santos FC | 2:1 (2:1) | ||
| I: 16.10.2003 | V: 29.10.2003 | Campeones: Cienciano | ||||
| I | Boca Juniors | - | Atlético Nacional | 0:1 (0:0) | ||
| V | Atlético Nacional | - | Boca Juniors | 4:1 (2:1) | ||
| I: 22.10.2003 | V: 05.11.2003 | Campeones: Atlético Nacional | ||||
| I | River Plate | - | Libertad | 2:0 (1:0) | ||
| V | Libertad | - | River Plate | 1:0 (0:0) | ||
| I: 23.10.2003 | V: 05.11.2003 | Campeones: River Plate | ||||
| I | The Strongest | - | São Paulo FC | 1:4 (0:1) | ||
| V | São Paulo FC | - | The Strongest | 3:1 (3:1) | ||
| I: 29.10.2003 | V: 12.11.2003 | Campeones: São Paulo FC | ||||
