| U17 Campeonato Brasileiro 2021 Grupo A - Appearances as Referee |  |
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| 05/06/2021 | Grêmio Porto Alegre | - | Ceará - CE | 2:1 | 6 | - | - |
| U17 Campeonato Brasileiro 2021 Grupo A - Appearances as Referee | |
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|
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| 05/06/2021 | Grêmio Porto Alegre | - | Ceará - CE | 2:1 | 6 | - | - |
| Complete name: | Rafael Rodrigo Klein |
| Born: | 28/03/1990 |
| Place of birth: |
Brazil |
| Residence: | Teutonia / RS |
| Nationality: |
Brazil |
| Profession: | Professor |