| 3. Round | 26/02/2021 | Argentinos Juniors II | - | Vélez Sarsfield II | 1:1 | ||||
| 4. Round | 05/03/2021 | River Plate II | - | Argentinos Juniors II | 1:0 | ||||
| 5. Round | 12/03/2021 | Argentinos Juniors II | - | Godoy Cruz II | 1:0 | ||||
| 6. Round | 19/03/2021 | Racing Club II | - | Argentinos Juniors II | 0:2 | ||||
| 9. Round | 09/04/2021 | Argentinos Juniors II | - | Central Córdoba SdE II | 3:0 |  |
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| 10. Round | 16/04/2021 | San Lorenzo II | - | Argentinos Juniors II | 2:2 | ||||
| 12. Round | 30/04/2021 | Aldosivi II | - | Argentinos Juniors II | 1:1 | |
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| 13. Round | 07/05/2021 | Argentinos Juniors II | - | Estudiantes II | 2:0 |
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