| Brazil U20 Cup | 2021/07/10 13:00 | Cruzeiro RS U20 v Atletico Clube Sulbrasil U20 | L | 4-2 |
| Brazil U20 Cup | 2021/06/21 18:00 | CE Bento Goncalves RS U20 v Atletico Clube Sulbrasil U20 | L | 2-0 |
| Brazil U20 Cup | 2021/06/12 18:30 | APAFUT U20 v Atletico Clube Sulbrasil U20 | D | 1-1 |