| 7. Round | 09/03/2021 | Cerro Porteño | - | River Plate | 3:0 | ||||
| 8. Round | 13/03/2021 | River Plate | - | Club Nacional | 0:0 | ||||
| 9. Round | 21/03/2021 | Club Olimpia | - | River Plate | 5:1 | ||||
| 11. Round | 13/04/2021 | Guaraní | - | River Plate | 2:0 | ||||
| 12. Round | 18/04/2021 | River Plate | - | Sol de América | 0:2 |  |
| Cesar Tobías Castellano | |
| Born: | 14.05.2000  Happy birthday! |
| Place of birth: |
Coronel Oviedo, 
Paraguay |
| Nationality: |
Paraguay
|
| Height: | 181 cm |
| Weight: | 79 kg |
| Position(s): | Centre Back |
| Foot: | left |
