| 2. Round | 19/02/2021 | Argentinos Juniors II | - | Platense II | 1:0 |  |
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| 3. Round | 26/02/2021 | Platense II | - | River Plate II | 1:2 | ||||
| 4. Round | 05/03/2021 | Godoy Cruz II | - | Platense II | 2:1 | ||||
| 5. Round | 12/03/2021 | Platense II | - | Racing Club II | 3:0 | ||||
| 1. Round | 22/03/2021 | Platense II | - | Sarmiento de Junín II | 1:2 |  |
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| 10. Round | 16/04/2021 | Banfield II | - | Platense II | 2:2 | ||||
| 12. Round | 30/04/2021 | Estudiantes II | - | Platense II | 3:0 |
Argentina