| 1. Round | 27/06/2021 | Atlético Goianiense [U20] | - | Palmeiras [U20] | 1:1 | ||||
| 2. Round | 30/06/2021 | Fluminense RJ [U20] | - | Atlético Goianiense [U20] | 3:0 | ||||
| 3. Round | 04/07/2021 | Atlético Goianiense [U20] | - | Flamengo RJ [U20] | 1:4 | ||||
| 4. Round | 10/07/2021 | Atlético Goianiense [U20] | - | São Paulo FC [U20] | 1:2 |  |
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| 5. Round | 14/07/2021 | Cruzeiro [U20] | - | Atlético Goianiense [U20] | 3:2 | ||||
| 6. Round | 18/07/2021 | Grêmio Porto Alegre [U20] | - | Atlético Goianiense [U20] | 2:0 | ||||
| 7. Round | 25/07/2021 | Atlético Goianiense [U20] | - | Vasco da Gama [U20] | 2:1 | ||||
| 8. Round | 28/07/2021 | Fortaleza - CE [U20] | - | Atlético Goianiense [U20] | 0:1 | |
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| 9. Round | 02/08/2021 | Atlético Goianiense [U20] | - | América - MG [U20] | 0:5 | |
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| 15. Round | 12/09/2021 | Santos FC [U20] | - | Atlético Goianiense [U20] | 2:1 | |
Brazil