| U20 Campeonato Brasileiro 2022 Playoffs - Appearances as Referee |  |
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| 13/08/2022 | Internacional | - | Flamengo RJ | 1:1 | 7 | - | 2 |
| U20 Campeonato Brasileiro 2022 Playoffs - Appearances as Referee | |
|
|
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| 13/08/2022 | Internacional | - | Flamengo RJ | 1:1 | 7 | - | 2 |
| Complete name: | Rafael Rodrigo Klein |
| Born: | 28/03/1990 |
| Place of birth: |
Brazil |
| Residence: | Teutonia / RS |
| Nationality: |
Brazil |
| Profession: | Professor |