| U20 Campeonato Brasileiro 2023 Playoffs - Appearances as Referee |  |
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| 06/08/2023 | Palmeiras | - | Corinthians SP | 5:1 | 7 | - | - |
| U20 Campeonato Brasileiro 2023 Playoffs - Appearances as Referee | |
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|
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| 06/08/2023 | Palmeiras | - | Corinthians SP | 5:1 | 7 | - | - |
| Complete name: | Guilherme Nunes de Santana |
| Born: | |
| Place of birth: |
Brazil |
| Nationality: |
Brazil |