| 7. Journée | 19.08.2021 | Gimnasia de La Plata II | - | River Plate II | 3:1 | ||||
| 8. Journée | 23.08.2021 | River Plate II | - | Aldosivi II | 3:0 | ||||
| 11. Journée | 10.09.2021 | Newell's Old Boys II | - | River Plate II | 0:2 | ||||
| 13. Journée | 24.09.2021 | Central Córdoba SdE II | - | River Plate II | 1:2 |  |
|||
| 14. Journée | 01.10.2021 | River Plate II | - | Boca Juniors II | 0:3 | ||||
| 15. Journée | 07.10.2021 | Banfield II | - | River Plate II | 2:0 | ||||
| 16. Journée | 15.10.2021 | River Plate II | - | San Lorenzo II | 1:3 | ||||
| 17. Journée | 20.10.2021 | Talleres de Córdoba II | - | River Plate II | 1:0 | ||||
| 18. Journée | 26.10.2021 | River Plate II | - | Argentinos Juniors II | 0:3 | ||||
| 19. Journée | 31.10.2021 | Estudiantes II | - | River Plate II | 0:0 | ||||
| 20. Journée | 05.11.2021 | River Plate II | - | Patronato de Paraná II | 2:0 | ||||
| 21. Journée | 19.11.2021 | Platense II | - | River Plate II | 5:2 | ||||
| 22. Journée | 23.11.2021 | River Plate II | - | Racing Club II | 1:2 | ||||
| 23. Journée | 28.11.2021 | Rosario Central II | - | River Plate II | 2:0 | ||||
| 24. Journée | 03.12.2021 | River Plate II | - | Defensa y Justicia II | 2:1 | ||||
| 25. Journée | 10.12.2021 | Atlético Tucumán II | - | River Plate II | 1:1 |
Argentine