| 1. Journée | 16.07.2021 | River Plate II | - | Colón de Santa Fe II | 1:2 | ||||
| 2. Journée | 23.07.2021 | River Plate II | - | Unión de Santa Fe II | 2:0 | ||||
| 5. Journée | 06.08.2021 | Godoy Cruz II | - | River Plate II | 0:1 |  |
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| 6. Journée | 13.08.2021 | River Plate II | - | Vélez Sarsfield II | 1:2 | ||||
| 9. Journée | 31.08.2021 | Sarmiento de Junín II | - | River Plate II | 3:1 | ||||
| 10. Journée | 06.09.2021 | River Plate II | - | Independiente II | 4:0 | |
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| 11. Journée | 10.09.2021 | Newell's Old Boys II | - | River Plate II | 0:2 |
Argentine