| 2. Ronde | 19.02.2021 | River Plate II | - | Rosario Central II | 1:1 | ||||
| 3. Ronde | 26.02.2021 | Platense II | - | River Plate II | 1:2 | ||||
| 4. Ronde | 05.03.2021 | River Plate II | - | Argentinos Juniors II | 1:0 | ||||
| 5. Ronde | 12.03.2021 | Boca Juniors II | - | River Plate II | 0:1 | ||||
| 7. Ronde | 29.03.2021 | River Plate II | - | Racing Club II | 1:0 | ||||
| 8. Ronde | 02.04.2021 | Arsenal de Sarandí II | - | River Plate II | 1:1 |
Argentinië