| 2. Round | 15/08/1998 | Argentinos Juniors | - | River Plate | 0:1 | ||||
| 4. Round | 30/08/1998 | Argentinos Juniors | - | Estudiantes | 0:0 | ||||
| 5. Round | 05/09/1998 | Gimnasia de La Plata | - | Argentinos Juniors | 1:1 | ||||
| 6. Round | 10/09/1998 | Argentinos Juniors | - | San Lorenzo | 1:5 | ||||
| 11. Round | 17/10/1998 | Newell's Old Boys | - | Argentinos Juniors | 0:0 | ||||
| 12. Round | 24/10/1998 | Argentinos Juniors | - | Independiente | 1:1 | ||||
| 13. Round | 31/10/1998 | Racing Club | - | Argentinos Juniors | 3:3 | ||||
| 14. Round | 07/11/1998 | Argentinos Juniors | - | Lanús | 0:1 | ||||
| 17. Round | 29/11/1998 | Colón de Santa Fe | - | Argentinos Juniors | 2:3 | ||||
| 18. Round | 06/12/1998 | Argentinos Juniors | - | Ferro Carril Oeste | 1:1 | ||||
| 19. Round | 12/12/1998 | Vélez Sarsfield | - | Argentinos Juniors | 2:5 |
Argentina