Stadium: TÊNIS CLUBE 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Rio do Sul | 2021/10/17 12:00 | Joao Giannella v Pedro Cressoni | 2-6,6-3,9-11 |
| ITF M15 Recife | 2021/09/21 14:30 | Jose Pereira v Joao Giannella | 6-0,6-3 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Marcio Eduardo Silva v Joao Giannella | 6-1,6-2 |
| ITF M25 Rio de Janeiro | 2019/10/08 15:35 | Andre Miele v Joao Giannella | 6-1,6-1 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Joao Giannella v Luis Britto | 6-1,6-2 |
| ITF M15 Curitiba | 2019/06/25 14:35 | Oscar Gabriel Ortiz v Joao Giannella | 6-3,6-0 |
| ITF M15 Curitiba | 2019/06/24 18:45 | Felipe Muzzi v Joao Giannella | 3-6,6-7 |
| ITF M15 Sao JDR Preto | 2019/06/18 12:30 | Gabriel Ciro Da Silva v Joao Giannella | 6-1,6-0 |
| 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 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 |