Stadium: Centre Court Round: 25 Ground: Clay
| ITF M15 Brasilia | 2021/11/02 15:15 | Luis Felipe Miguel v Hernando J E Isnardi | 6-4,6-0 |
| ITF M15 Brasilia | 2021/11/01 17:00 | Pedro Gabriel Rodrigues v Luis Felipe Miguel | 3-6,1-6 |
| ITF M25 Rio do Sul | 2021/10/24 16:10 | Pedro Boscardin Dias v Gustavo Heide | 7-6,6-4 |
| ITF M25 Rio do Sul | 2021/10/23 17:55 | Gustavo Heide v Wilson Leite | 2-6,6-1,7-6 |
| ITF M25 Rio do Sul | 2021/10/22 13:50 | Gustavo Heide v Nicolas Zanellato | 6-2,3-6,7-6 |
| ITF M25 Rio do Sul | 2021/10/21 16:30 | Igor Marcondes v Gustavo Heide | 6-7,1-6 |
| ITF M25 Rio do Sul | 2021/10/19 13:30 | Bruno Fernandez v Gustavo Heide | 1-6,2-6 |
| ITF M15 Recife | 2021/09/26 13:30 | Gustavo Heide v Jose Pereira | 6-4,6-2 |
| ITF M15 Recife | 2021/09/25 14:00 | Eduardo Ribeiro v Gustavo Heide | 5-7,4-6 |
| ITF M15 Recife | 2021/09/24 16:55 | Daniel Dutra Da Silva v Gustavo Heide | 4-6,4-6 |