| 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 | 2019/05/13 18:00 | Uniao Harmonia U20 v Nova Prata RS U20 | L | 1-2 |
| Brazil U20 League | 2019/05/04 14:00 | Internacional U20 v Uniao Harmonia U20 | L | 5-1 |
| Brazil U20 League | 2019/04/29 18:00 | Uniao Harmonia U20 v Novo Horizonte U20 | W | 4-2 |
| Brazil U20 League | 2019/04/18 18:00 | Uniao Harmonia U20 v Brasil de Pelotas U20 | L | 0-2 |
| Brazil U20 League | 2019/04/07 18:00 | Uniao Harmonia U20 v Sao Jose EC U20 | L | 0-4 |
| Brazil U20 League | 2019/03/26 18:30 | Uniao Harmonia U20 v SERC Brasil U20 | L | 1-3 |
| Brazil U20 League | 2019/05/15 18:00 | EC Juventude U20 v Lajeadense RS U20 | L | 3-1 |
| Brazil U20 League | 2019/05/09 18:00 | Nova Prata RS U20 v Lajeadense RS U20 | L | 2-1 |
| Brazil U20 League | 2019/05/01 18:01 | Novo Hamburgo RS U20 v Lajeadense RS U20 | L | 2-0 |
| Brazil U20 League | 2019/04/18 18:00 | Novo Horizonte U20 v Lajeadense RS U20 | W | 0-3 |
| Brazil U20 League | 2019/04/13 16:00 | Lajeadense RS U20 v Guarani RS U20 | L | 1-2 |
| Brazil U20 League | 2019/04/06 18:00 | Gremio U20 v Lajeadense RS U20 | L | 5-1 |
| Brazil U20 League | 2019/04/02 17:30 | Lajeadense RS U20 v Gremio Nacional U20 | W | 3-0 |
| Brazil U20 League | 2018/06/06 18:00 | Lajeadense RS U20 v Internacional U20 | D | 2-2 |