| 6. Round | 13/09/2019 | Colón de Santa Fe II | - | San Lorenzo II | 0:2 | ||||
| 9. Round | 04/10/2019 | San Lorenzo II | - | Central Córdoba SdE II | 1:2 |  |
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| 10. Round | 18/10/2019 | Huracán II | - | San Lorenzo II | 2:2 | |
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| 11. Round | 25/10/2019 | San Lorenzo II | - | Defensa y Justicia II | 2:3 | |
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| 12. Round | 01/11/2019 | Independiente II | - | San Lorenzo II | 0:0 | ||||
| 13. Round | 08/11/2019 | San Lorenzo II | - | Argentinos Juniors II | 3:3 | ||||
| 16. Round | 06/12/2019 | River Plate II | - | San Lorenzo II | 2:1 | ||||
| 18. Round | 03/02/2020 | Newell's Old Boys II | - | San Lorenzo II | 2:2 | ||||
| 19. Round | 09/02/2020 | San Lorenzo II | - | Vélez Sarsfield II | 1:0 | ||||
| 20. Round | 14/02/2020 | Talleres de Córdoba II | - | San Lorenzo II | 1:1 | |
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| 21. Round | 21/02/2020 | San Lorenzo II | - | Racing Club II | 0:1 | ||||
| 22. Round | 01/03/2020 | Aldosivi II | - | San Lorenzo II | 1:0 |  |
Colombia