| 1. Jornada | 12.02.2021 | Estudiantes II | - | River Plate II | 1:3 |  |
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| 2. Jornada | 19.02.2021 | River Plate II | - | Rosario Central II | 1:1 |  |
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| 3. Jornada | 26.02.2021 | Platense II | - | River Plate II | 1:2 | ||||
| 4. Jornada | 05.03.2021 | River Plate II | - | Argentinos Juniors II | 1:0 | ||||
| 5. Jornada | 12.03.2021 | Boca Juniors II | - | River Plate II | 0:1 | ||||
| 6. Jornada | 19.03.2021 | Godoy Cruz II | - | River Plate II | 0:1 | ||||
| 9. Jornada | 09.04.2021 | River Plate II | - | Colón de Santa Fe II | 7:0 | ||||
| 10. Jornada | 16.04.2021 | Central Córdoba SdE II | - | River Plate II | 1:2 | ||||
| 11. Jornada | 23.04.2021 | River Plate II | - | San Lorenzo II | 2:1 | ||||
| 12. Jornada | 30.04.2021 | Banfield II | - | River Plate II | 1:2 | ||||
| 13. Jornada | 07.05.2021 | River Plate II | - | Aldosivi II | 3:3 |
Argentina