| 7. Round | 25/07/2021 | Atlético Goianiense [U20] | - | Vasco da Gama [U20] | 2:1 |  |
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| 8. Round | 28/07/2021 | Fortaleza - CE [U20] | - | Atlético Goianiense [U20] | 0:1 | ||||
| 9. Round | 02/08/2021 | Atlético Goianiense [U20] | - | América - MG [U20] | 0:5 | ||||
| 10. Round | 08/08/2021 | Ceará - CE [U20] | - | Atlético Goianiense [U20] | 1:1 | |
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| 11. Round | 14/08/2021 | Atlético Goianiense [U20] | - | Bahia - BA [U20] | 3:4 | ||||
| 12. Round | 21/08/2021 | Corinthians SP [U20] | - | Atlético Goianiense [U20] | 4:0 | ||||
| 13. Round | 28/08/2021 | Athletico Paranaense [U20] | - | Atlético Goianiense [U20] | 2:1 | |
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| 16. Round | 18/09/2021 | Atlético Goianiense [U20] | - | Internacional [U20] | 1:2 | ||||
| 17. Round | 26/09/2021 | Botafogo - RJ [U20] | - | Atlético Goianiense [U20] | 1:0 | ||||
| 18. Round | 02/10/2021 | Atlético Goianiense [U20] | - | Chapecoense [U20] | 1:1 | ||||
| 19. Round | 10/10/2021 | Atlético Mineiro [U20] | - | Atlético Goianiense [U20] | 6:0 |
Brazil