| Brazil U20 League | 2021/12/04 18:30 | Atletico Clube Sulbrasil U20 v Gremio Nacional U20 | W | 5-0 |
| Brazil U20 League | 2021/11/22 18:30 | Riopardense U20 v Atletico Clube Sulbrasil U20 | W | 0-2 |
| Brazil U20 League | 2021/11/19 18:30 | Atletico Clube Sulbrasil U20 v Uniao Harmonia U20 | W | 2-0 |
| Brazil U20 League | 2021/11/15 18:30 | SC Jau U20 v Atletico Clube Sulbrasil U20 | D | 0-0 |
| Brazil U20 League | 2021/11/12 14:00 | Atletico Clube Sulbrasil U20 v Sao Gabriel U20 | W | 6-0 |
| Brazil U20 League | 2021/11/08 18:30 | SC Doze Horas U20 v Atletico Clube Sulbrasil U20 | W | 1-2 |
| Brazil U20 League | 2021/10/29 18:00 | Gremio Nacional U20 v Atletico Clube Sulbrasil U20 | W | 1-5 |
| Brazil U20 League | 2021/10/18 18:00 | Atletico Clube Sulbrasil U20 v Riopardense U20 | W | 5-0 |
| Brazil U20 League | 2021/11/27 18:30 | Uniao Frederiquense U20 v Riograndense U20 | L | 3-0 |
| Brazil U20 League | 2021/11/23 18:30 | Riograndense U20 v Passo Fundo U20 | L | 0-4 |
| Brazil U20 League | 2021/11/21 18:00 | Riograndense U20 v Passo Fundo U20 | L | 0-4 |
| Brazil U20 League | 2021/11/10 18:58 | Santo Angelo U20 v Riograndense U20 | W | 0-2 |
| Brazil U20 League | 2021/11/06 18:30 | Riograndense U20 v SC Ivoti U20 | W | 2-0 |
| Brazil U20 League | 2021/11/02 18:00 | Riograndense U20 v Uniao Frederiquense U20 | L | 0-1 |
| Brazil U20 League | 2021/10/31 18:00 | Riograndense U20 v Gremio U20 | D | 1-1 |
| Brazil U20 League | 2021/10/27 18:00 | Ypiranga RS U20 v Riograndense U20 | D | 0-0 |