| 3. Round | 21/08/1998 | Estudiantes | - | River Plate | 1:0 | ||||
| 6. Round | 12/09/1998 | River Plate | - | Rosario Central | 1:1 | ||||
| 8. Round | 24/09/1998 | River Plate | - | Lanús | 0:1 | ||||
| 9. Round | 02/10/1998 | Unión de Santa Fe | - | River Plate | 1:1 | ||||
| 10. Round | 10/10/1998 | River Plate | - | Ferro Carril Oeste | 4:1 | ||||
| 11. Round | 17/10/1998 | Gimnasia de Jujuy | - | River Plate | 2:2 | ||||
| 13. Round | 30/10/1998 | Gimnasia de La Plata | - | River Plate | 3:2 | ||||
| 14. Round | 07/11/1998 | River Plate | - | Huracán | 3:4 | ||||
| 15. Round | 13/11/1998 | Belgrano de Córdoba | - | River Plate | 0:1 | ||||
| 17. Round | 26/11/1998 | Racing Club | - | River Plate | 2:2 |  |
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| 19. Round | 11/12/1998 | Colón de Santa Fe | - | River Plate | 1:1 |
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