| 2. Round | 13/03/1999 | San Lorenzo | - | Colón de Santa Fe | 3:1 | ||||
| 3. Round | 18/03/1999 | Vélez Sarsfield | - | San Lorenzo | 1:1 | ||||
| 4. Round | 27/03/1999 | San Lorenzo | - | River Plate | 2:2 |  |
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| 5. Round | 31/03/1999 | Estudiantes | - | San Lorenzo | 0:2 | ||||
| 6. Round | 03/04/1999 | San Lorenzo | - | Argentinos Juniors | 1:1 | ||||
| 7. Round | 10/04/1999 | San Lorenzo | - | Talleres de Córdoba | 1:0 | |
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| 8. Round | 16/04/1999 | Rosario Central | - | San Lorenzo | 1:0 | ||||
| 9. Round | 24/04/1999 | San Lorenzo | - | Independiente | 3:0 | ||||
| 10. Round | 27/04/1999 | Lanús | - | San Lorenzo | 1:2 | ||||
| 13. Round | 15/05/1999 | San Lorenzo | - | Gimnasia de Jujuy | 2:3 | ||||
| 14. Round | 22/05/1999 | Boca Juniors | - | San Lorenzo | 3:0 | ||||
| 15. Round | 29/05/1999 | San Lorenzo | - | Gimnasia de La Plata | 3:2 | ||||
| 16. Round | 31/05/1999 | Huracán | - | San Lorenzo | 1:1 | ||||
| 17. Round | 03/06/1999 | San Lorenzo | - | Belgrano de Córdoba | 0:0 | ||||
| 18. Round | 11/06/1999 | Newell's Old Boys | - | San Lorenzo | 1:1 |
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