| U23 Campeonato Brasileiro 2021 1a Fase - Appearances as Referee |  |
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| 15/07/2021 | Santos FC | - | Grêmio Porto Alegre | 0:0 | 6 | - | - |
| U23 Campeonato Brasileiro 2021 1a Fase - Appearances as Referee | |
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| 15/07/2021 | Santos FC | - | Grêmio Porto Alegre | 0:0 | 6 | - | - |
| Complete name: | Douglas Marques das Flores |
| Born: | 17/01/1986 |
| Place of birth: |
Brazil |
| Nationality: |
Brazil |