Stadium: Centre Court Round: 28 Ground: Clay
| 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 |
| ITF M15 - Recife | 2021/09/23 13:30 | Joao M Nusdeo v Gustavo Heide | 1-6,0-6 |
| ITF M15 - Recife | 2021/09/21 17:10 | Natan Rodrigues v Gustavo Heide | 1-6,3-6 |
| ITF M25 - Rio do Sul | 2021/10/22 14:25 | Wilson Leite v Ignacio Carou | 6-2,6-0 |
| ITF M25 - Rio do Sul | 2021/10/21 17:10 | Wilson Leite v Matheus A De Lima | 6-3,6-1 |
| ITF M25 - Rio do Sul | 2021/10/20 14:50 | Wilson Leite v Thomas Kano | 6-0,6-1 |
| ITF M25 - Lima | 2021/10/12 15:00 | Wilson Leite v Oriol Roca Batalla | 4-6,0-6 |
| ITF M25 - Lima | 2021/10/09 15:00 | Eduard Esteve Lobato v Wilson Leite | 6-7,6-1,6-0 |
| ITF M25 - Lima | 2021/10/08 16:30 | Pol Martin Tiffon v Wilson Leite | 3-6,6-1,3-6 |
| ITF M25 - Lima | 2021/10/07 14:45 | Federico Zeballos v Wilson Leite | 2-6,6-2,6-7 |
| ITF M25 - Lima | 2021/10/06 18:55 | Wilson Leite v Gonzalo Villanueva | 6-3,6-4 |