| 1. Round | 15/02/2004 | Chacarita Juniors | - | San Lorenzo | 0:2 | ||||
| 2. Round | 22/02/2004 | San Lorenzo | - | Racing Club | 0:4 | ||||
| 3. Round | 28/02/2004 | Lanús | - | San Lorenzo | 0:4 | ||||
| 4. Round | 06/03/2004 | San Lorenzo | - | Talleres de Córdoba | 0:0 | ||||
| 5. Round | 14/03/2004 | Atlético Rafaela | - | San Lorenzo | 0:0 | ||||
| 6. Round | 20/03/2004 | San Lorenzo | - | Nueva Chicago | 2:2 | ||||
| 7. Round | 27/03/2004 | Estudiantes | - | San Lorenzo | 1:1 | ||||
| 8. Round | 04/04/2004 | San Lorenzo | - | Newell's Old Boys | 0:1 |  |
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| 9. Round | 10/04/2004 | Independiente | - | San Lorenzo | 1:1 | ||||
| 10. Round | 18/04/2004 | San Lorenzo | - | River Plate | 1:2 | ||||
| 11. Round | 24/04/2004 | Quilmes | - | San Lorenzo | 1:1 | |
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| 13. Round | 08/05/2004 | Olimpo de Bahía Blanca | - | San Lorenzo | 2:0 | |
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| 14. Round | 16/05/2004 | San Lorenzo | - | Colón de Santa Fe | 2:0 | ||||
| 15. Round | 23/05/2004 | Banfield | - | San Lorenzo | 0:1 | ||||
| 16. Round | 29/05/2004 | Gimnasia de La Plata | - | San Lorenzo | 0:2 | ||||
| 17. Round | 13/06/2004 | San Lorenzo | - | Rosario Central | 0:0 |
Argentina
Spain 
