| U23 Campeonato Brasileiro 2024 1a Fase - Appearances as Referee |  |
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| 10/10/2024 | Criciúma - SC | - | Santos FC | 0:1 | 5 | - | - |
| U23 Campeonato Brasileiro 2024 1a Fase - Appearances as Referee | |
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| 10/10/2024 | Criciúma - SC | - | Santos FC | 0:1 | 5 | - | - |
| Complete name: | William Machado Steffen |
| Born: | 19/08/1987 |
| Place of birth: |
Brazil |
| Nationality: |
Brazil |