Stadium: Court 15 Round: 54 Ground: Clay
| ITF M25 Aparecida De Goiania | 2021/11/07 18:30 | Marcelo Zormann v Hernando J E Isnardi | 6-7,6-3,9-11 |
| ITF M15 Brasilia | 2021/11/02 15:15 | Luis Felipe Miguel v Hernando J E Isnardi | 6-4,6-0 |
| Davis Cup | 2021/09/18 13:55 | Sebastian Dominko v Hernando J E Isnardi | 6-4,3-6,7-10 |
| ITF M25 Aparecida De Goiania | 2021/11/07 18:30 | Iago Almeida v Joao Giannella | 0-6,0-6 |
| ITF M15 Brasilia | 2021/11/02 13:20 | Gabriel Roveri Sidney v Joao Giannella | 6-3,6-2 |
| 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 |