| 2. Round | 14/08/2005 | Estudiantes | - | San Lorenzo | 0:1 |  |
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| 3. Round | 21/08/2005 | San Lorenzo | - | Independiente | 1:1 | ||||
| 5. Round | 07/09/2005 | San Lorenzo | - | Boca Juniors | 3:2 | ||||
| 10. Round | 06/10/2005 | San Lorenzo | - | Argentinos Juniors | 1:3 |  |
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| 11. Round | 15/10/2005 | Gimnasia de La Plata | - | San Lorenzo | 3:2 | |
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| 18. Round | 04/12/2005 | San Lorenzo | - | Colón de Santa Fe | 1:4 | ||||
| 19. Round | 11/12/2005 | Arsenal de Sarandí | - | San Lorenzo | 1:2 | |
Argentina