| 6. Round | 19/03/2021 | Gimnasia de La Plata II | - | Atlético Tucumán II | 0:0 | ||||
| 7. Round | 26/03/2021 | Atlético Tucumán II | - | Newell's Old Boys II | 0:1 | ||||
| 8. Round | 02/04/2021 | Sarmiento de Junín II | - | Atlético Tucumán II | 4:2 | ||||
| 9. Round | 09/04/2021 | Atlético Tucumán II | - | Vélez Sarsfield II | 3:1 |  |
|||
| 10. Round | 16/04/2021 | Boca Juniors II | - | Atlético Tucumán II | 3:1 | ||||
| 11. Round | 23/04/2021 | Atlético Tucumán II | - | Talleres de Córdoba II | 2:2 | |
|||
| 12. Round | 30/04/2021 | Independiente II | - | Atlético Tucumán II | 1:0 | ||||
| 13. Round | 07/05/2021 | Atlético Tucumán II | - | Defensa y Justicia II | 3:4 |
Argentina