| 1. Round | 11/08/2018 | Tigre | - | San Lorenzo | 2:2 | ||||
| 2. Round | 19/08/2018 | San Lorenzo | - | Lanús | 2:2 | ||||
| 3. Round | 28/08/2018 | Unión de Santa Fe | - | San Lorenzo | 1:1 | ||||
| 4. Round | 02/09/2018 | San Lorenzo | - | River Plate | 1:1 | ||||
| 5. Round | 17/09/2018 | Godoy Cruz | - | San Lorenzo | 1:0 | ||||
| 6. Round | 21/09/2018 | San Lorenzo | - | Patronato de Paraná | 3:2 | ||||
| 8. Round | 07/10/2018 | Banfield | - | San Lorenzo | 2:0 | ||||
| 10. Round | 28/10/2018 | Racing Club | - | San Lorenzo | 2:1 |  |
Argentina