| 1. Round | 08/08/1998 | River Plate | - | Vélez Sarsfield | 1:1 |  |
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| 2. Round | 15/08/1998 | Argentinos Juniors | - | River Plate | 0:1 | ||||
| 3. Round | 21/08/1998 | Estudiantes | - | River Plate | 1:0 | ||||
| 4. Round | 29/08/1998 | River Plate | - | San Lorenzo | 3:4 | ||||
| 5. Round | 05/09/1998 | Talleres de Córdoba | - | River Plate | 3:1 | ||||
| 6. Round | 12/09/1998 | River Plate | - | Rosario Central | 1:1 | ||||
| 7. Round | 19/09/1998 | Independiente | - | River Plate | 2:1 | |
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| 8. Round | 24/09/1998 | River Plate | - | Lanús | 0:1 | ||||
| 9. Round | 02/10/1998 | Unión de Santa Fe | - | River Plate | 1:1 | |
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| 10. Round | 10/10/1998 | River Plate | - | Ferro Carril Oeste | 4:1 | |
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| 12. Round | 24/10/1998 | River Plate | - | Boca Juniors | 0:0 | ||||
| 14. Round | 07/11/1998 | River Plate | - | Huracán | 3:4 | |
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| 15. Round | 13/11/1998 | Belgrano de Córdoba | - | River Plate | 0:1 | |
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Argentina
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