| 2. Round | 09/08/2003 | Newell's Old Boys | - | Independiente | 0:0 | ||||
| 3. Round | 16/08/2003 | River Plate | - | Newell's Old Boys | 0:2 |  |
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| 4. Round | 22/08/2003 | Newell's Old Boys | - | Quilmes | 2:1 | ||||
| 5. Round | 30/08/2003 | Arsenal de Sarandí | - | Newell's Old Boys | 3:2 | ||||
| 6. Round | 27/09/2003 | Newell's Old Boys | - | Olimpo de Bahía Blanca | 2:0 | ||||
| 7. Round | 30/09/2003 | Colón de Santa Fe | - | Newell's Old Boys | 1:1 | |
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| 9. Round | 11/10/2003 | Gimnasia de La Plata | - | Newell's Old Boys | 0:2 | |
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| 10. Round | 18/10/2003 | Newell's Old Boys | - | Rosario Central | 1:1 | |
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| 11. Round | 25/10/2003 | Vélez Sarsfield | - | Newell's Old Boys | 0:3 | ||||
| 12. Round | 28/10/2003 | Newell's Old Boys | - | Boca Juniors | 1:0 | ||||
| 13. Round | 01/11/2003 | Chacarita Juniors | - | Newell's Old Boys | 1:1 | |
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| 14. Round | 08/11/2003 | Newell's Old Boys | - | Racing Club | 0:0 | ||||
| 16. Round | 25/11/2003 | Newell's Old Boys | - | Talleres de Córdoba | 4:3 | |
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| 17. Round | 29/11/2003 | Atlético Rafaela | - | Newell's Old Boys | 1:1 | ||||
| 18. Round | 06/12/2003 | Newell's Old Boys | - | Nueva Chicago | 1:1 | |
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| 19. Round | 13/12/2003 | Estudiantes | - | Newell's Old Boys | 4:2 | |
Colombia