| 1. Round | 13/02/2005 | Vélez Sarsfield | - | Newell's Old Boys | 0:0 | ||||
| 2. Round | 20/02/2005 | Newell's Old Boys | - | Rosario Central | 0:0 | ||||
| 6. Round | 19/03/2005 | Newell's Old Boys | - | Argentinos Juniors | 1:1 | ||||
| 7. Round | 03/04/2005 | Instituto de Córdoba | - | Newell's Old Boys | 4:3 |  |
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| 8. Round | 10/04/2005 | Newell's Old Boys | - | River Plate | 4:2 | |
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| 9. Round | 17/04/2005 | Estudiantes | - | Newell's Old Boys | 3:2 | ||||
| 10. Round | 24/04/2005 | Newell's Old Boys | - | Arsenal de Sarandí | 0:0 | ||||
| 11. Round | 30/04/2005 | Racing Club | - | Newell's Old Boys | 3:3 | |
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| 12. Round | 07/05/2005 | Quilmes | - | Newell's Old Boys | 2:0 | |
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| 14. Round | 21/05/2005 | Lanús | - | Newell's Old Boys | 0:0 | ||||
| 15. Round | 28/05/2005 | Newell's Old Boys | - | San Lorenzo | 1:1 | ||||
| 16. Round | 11/06/2005 | Olimpo de Bahía Blanca | - | Newell's Old Boys | 1:0 | |
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| 17. Round | 19/06/2005 | Newell's Old Boys | - | Boca Juniors | 1:0 | ||||
| 19. Round | 02/07/2005 | Newell's Old Boys | - | Independiente | 1:1 |
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