| 1. Round | 12/08/2018 | Belgrano de Córdoba | - | San Martín de San Juan | 0:0 | ||||
| 2. Round | 19/08/2018 | San Martín de San Juan | - | Patronato de Paraná | 1:0 | ||||
| 3. Round | 25/08/2018 | Tigre | - | San Martín de San Juan | 2:2 | ||||
| 4. Round | 01/09/2018 | San Martín de San Juan | - | Huracán | 1:2 | ||||
| 5. Round | 15/09/2018 | River Plate | - | San Martín de San Juan | 4:1 | ||||
| 6. Round | 23/09/2018 | San Martín de San Juan | - | Atlético Tucumán | 1:3 |  |
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| 8. Round | 06/10/2018 | San Martín de San Juan | - | Vélez Sarsfield | 3:1 |  |
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| 9. Round | 23/10/2018 | San Lorenzo | - | San Martín de San Juan | 2:1 | ||||
| 10. Round | 30/10/2018 | San Martín de San Juan | - | Defensa y Justicia | 0:1 | ||||
| 11. Round | 04/11/2018 | San Martín de Tucumán | - | San Martín de San Juan | 2:0 | ||||
| 15. Round | 10/12/2018 | Racing Club | - | San Martín de San Juan | 1:0 | ||||
| 16. Round | 25/01/2019 | Banfield | - | San Martín de San Juan | 1:1 | ||||
| 23. Round | 16/03/2019 | San Martín de San Juan | - | Argentinos Juniors | 2:3 | ||||
| 24. Round | 02/04/2019 | Colón de Santa Fe | - | San Martín de San Juan | 0:0 | ||||
| 25. Round | 07/04/2019 | San Martín de San Juan | - | Talleres de Córdoba | 2:1 | |
Argentina