| 3. Round | 29/08/2018 | Atlético San Miguel | - | Fénix | 0:0 | ||||
| 5. Round | 09/09/2018 | Atlético San Miguel | - | Sacachispas | 1:2 |  |
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| 6. Round | 16/09/2018 | Deportivo Riestra | - | Atlético San Miguel | 4:1 | ||||
| 7. Round | 21/09/2018 | Atlético San Miguel | - | Almirante Brown | 0:0 | ||||
| 9. Round | 03/10/2018 | Atlético San Miguel | - | Defensores Unidos de Zárate | 0:0 | ||||
| 13. Round | 27/10/2018 | Atlético San Miguel | - | Colegiales de Munro | 1:2 | ||||
| 16. Round | 19/11/2018 | Barracas Central | - | Atlético San Miguel | 1:0 |
Argentina