Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Cancun | 2022/05/09 15:00 | Joseph Corse v Joao Giannella | 6-2,6-3 |
| ITF M25 Campos do Jordao | 2022/02/04 16:00 | Joao Giannella v Wilson Leite | 1-6,3-6 |
| ITF M25 Campos do Jordao | 2022/02/01 20:35 | Henrique Hamamoto Ushizima v Joao Giannella | 6-4,2-6,5-10 |
| Challenger Rio De Janeiro | 2021/12/12 16:00 | Nicolas Barrientos v Joao Giannella | 6-1,6-2 |
| ITF M25 Aparecida De Goiania | 2021/11/08 16:00 | Hernando J E Isnardi v Joao Giannella | 6-3,7-6 |
| 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 M25 Cancun | 2022/05/08 15:00 | Rodolfo Jauregui Sainz De Rozas v Diego Lopato-Miguel | 6-3,6-2 |
| ITF M25 Cancun | 2022/02/14 19:20 | Alejandro H Franco v Diego Lopato-Miguel | 6-1,6-1 |
| ITF M15 Cancun | 2022/01/16 16:00 | Diego Lopato-Miguel v Wulfrano M M Esdras | 4-6,7-6,10-7 |