| 2. Round | 19/02/2021 | Racing Club II | - | Aldosivi II | 2:1 | ||||
| 4. Round | 05/03/2021 | Colón de Santa Fe II | - | Aldosivi II | 0:1 | ||||
| 5. Round | 12/03/2021 | Aldosivi II | - | Central Córdoba SdE II | 8:0 | ||||
| 6. Round | 19/03/2021 | San Lorenzo II | - | Aldosivi II | 0:1 | ||||
| 7. Round | 26/03/2021 | Aldosivi II | - | Banfield II | 2:0 | ||||
| 9. Round | 09/04/2021 | Estudiantes II | - | Aldosivi II | 2:0 |  |
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| 11. Round | 23/04/2021 | Platense II | - | Aldosivi II | 3:2 |
Argentina