| Brazil Campeonato Gaucho 3 | 2021/06/03 18:00 | Uniao Harmonia FC v Nova Prata RS | W | 5-1 |
| Brazil Campeonato Gaucho 3 | 2021/05/28 18:00 | Santa Cruz RS v Uniao Harmonia FC | L | 5-0 |
| Brazil Campeonato Gaucho 3 | 2021/05/24 18:00 | Uniao Harmonia FC v Sapucaiense RS | L | 0-4 |
| Brazil Campeonato Gaucho 3 | 2021/05/21 18:00 | EC Novo Horizonte v Uniao Harmonia FC | L | 2-1 |
| Brazil Campeonato Gaucho 3 | 2021/05/17 14:00 | Uniao Harmonia FC v EC Novo Horizonte | L | 1-2 |
| Brazil Campeonato Gaucho 3 | 2021/05/14 18:00 | Sapucaiense RS v Uniao Harmonia FC | L | 5-0 |
| Brazil Campeonato Gaucho 3 | 2021/05/10 18:00 | Uniao Harmonia FC v Santa Cruz RS | L | 0-3 |
| Brazil Campeonato Gaucho 3 | 2021/05/02 18:00 | Nova Prata RS v Uniao Harmonia FC | L | 3-2 |