| Round of 32 | 17/08/2021 | River - PI [U17] | - | Confiança - SE [U17] | 0:1 |
| Round of 32 | 17/08/2021 | River - PI [U17] | - | Confiança - SE [U17] | 0:1 |
| Mikael Victor Carvalho dos Santos | |
| Born: | 21.08.2005 |
| Place of birth: |
Brazil |
| Nationality: |
Brazil
|
| Height: | 191 cm |
| Weight: | 81 kg |
| Position(s): | Centre Back Defensive Midfielder |
| Foot: | right |