| 4. Round | 11/07/2021 | Athletico Paranaense [U20] | - | América - MG [U20] | 3:1 | ||||
| 5. Round | 14/07/2021 | Botafogo - RJ [U20] | - | Athletico Paranaense [U20] | 1:0 | ||||
| 6. Round | 20/07/2021 | Athletico Paranaense [U20] | - | Palmeiras [U20] | 2:0 | ||||
| 7. Round | 25/07/2021 | Athletico Paranaense [U20] | - | Santos FC [U20] | 3:2 |  |
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| 9. Round | 02/08/2021 | Athletico Paranaense [U20] | - | Atlético Mineiro [U20] | 4:3 | ||||
| 10. Round | 07/08/2021 | Vasco da Gama [U20] | - | Athletico Paranaense [U20] | 0:1 | ||||
| 11. Round | 14/08/2021 | Athletico Paranaense [U20] | - | Fluminense RJ [U20] | 3:1 | ||||
| 12. Round | 22/08/2021 | Ceará - CE [U20] | - | Athletico Paranaense [U20] | 1:2 | ||||
| 13. Round | 28/08/2021 | Athletico Paranaense [U20] | - | Atlético Goianiense [U20] | 2:1 | ||||
| 14. Round | 05/09/2021 | Cruzeiro [U20] | - | Athletico Paranaense [U20] | 2:1 | |
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| 16. Round | 19/09/2021 | Chapecoense [U20] | - | Athletico Paranaense [U20] | 4:2 | ||||
| 19. Round | 12/10/2021 | Athletico Paranaense [U20] | - | Flamengo RJ [U20] | 1:4 |
Happy birthday! 
Ecuador