| U23 Campeonato Brasileiro 2021 2a Fase - Appearances as Referee |  |
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| 23/09/2021 | Figueirense - SC | - | Grêmio Porto Alegre | 0:4 | 3 | - | 1 |
| U23 Campeonato Brasileiro 2021 2a Fase - Appearances as Referee | |
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|
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| 23/09/2021 | Figueirense - SC | - | Grêmio Porto Alegre | 0:4 | 3 | - | 1 |
| Complete name: | Gunar Nunes de Abreu Welsch |
| Born: | 06/10/1987 |
| Place of birth: |
Brazil |
| Residence: | Florianopolis, SC |
| Nationality: |
Brazil |
| Profession: | Professor |