| Brazil U20 League | 2021/10/15 18:00 | Gremio Nacional U20 v Uniao Harmonia U20 | W | 0-2 |
| Brazil U20 League | 2021/10/11 18:00 | Uniao Harmonia U20 v Atletico Clube Sulbrasil U20 | L | 0-6 |
| Brazil U20 League | 2021/10/05 18:00 | Riopardense U20 v Uniao Harmonia U20 | D | 1-1 |
| Brazil U20 League | 2021/09/14 18:00 | Uniao Harmonia U20 v SC Jau U20 | L | 0-5 |
| Brazil U20 League | 2019/06/05 18:00 | Novo Hamburgo RS U20 v Uniao Harmonia U20 | L | 3-1 |
| Brazil U20 League | 2019/05/30 18:00 | Uniao Harmonia U20 v Lajeadense RS U20 | L | 0-3 |
| Brazil U20 League | 2019/05/25 18:00 | Guarani RS U20 v Uniao Harmonia U20 | L | 5-1 |
| Brazil U20 League | 2019/05/22 18:00 | Uniao Harmonia U20 v Gremio U20 | L | 1-9 |
| Brazil U20 League | 2021/10/19 18:00 | SC Doze Horas U20 v SC Jau U20 | L | 2-4 |
| Brazil U20 League | 2021/10/12 18:00 | Sao Gabriel U20 v SC Doze Horas U20 | L | 3-1 |
| Brazil U20 League | 2021/09/27 18:00 | SC Doze Horas U20 v Gremio Nacional U20 | W | 1-0 |
| Brazil U20 League | 2021/09/12 18:00 | Atletico Clube Sulbrasil U20 v SC Doze Horas U20 | L | 2-1 |