| 2. Round | 14/08/1998 | Newell's Old Boys | - | Independiente | 2:1 | ||||
| 3. Round | 23/08/1998 | Lanús | - | Newell's Old Boys | 0:1 | ||||
| 5. Round | 06/09/1998 | Ferro Carril Oeste | - | Newell's Old Boys | 1:1 | ||||
| 6. Round | 12/09/1998 | Newell's Old Boys | - | Gimnasia de Jujuy | 0:0 | ||||
| 9. Round | 03/10/1998 | Huracán | - | Newell's Old Boys | 3:2 | ||||
| 10. Round | 10/10/1998 | Newell's Old Boys | - | Belgrano de Córdoba | 0:2 | ||||
| 11. Round | 17/10/1998 | Newell's Old Boys | - | Argentinos Juniors | 0:0 | ||||
| 15. Round | 14/11/1998 | Newell's Old Boys | - | Vélez Sarsfield | 1:0 | ||||
| 16. Round | 21/11/1998 | River Plate | - | Newell's Old Boys | 2:0 | ||||
| 17. Round | 28/11/1998 | Newell's Old Boys | - | Estudiantes | 3:0 |  |
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| 18. Round | 05/12/1998 | San Lorenzo | - | Newell's Old Boys | 2:2 | |
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| 19. Round | 11/12/1998 | Newell's Old Boys | - | Talleres de Córdoba | 4:2 | |
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