Stadium: TÊNIS CLUBE 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Brasilia | 2021/11/01 12:00 | Sean Hess v Gabriel P Tumasonis | 1-6,6-4,8-10 |
| ITF M25 Rio do Sul | 2021/10/18 20:10 | Pedro Cressoni v Gabriel P Tumasonis | 7-5,6-4 |
| ITF M15 Recife | 2021/09/22 17:00 | Gabriel P Tumasonis v Asdrubal Gobernate | 2-6,3-6 |
| ITF M15 Recife | 2021/09/20 13:00 | Victor Bertoldo v Gabriel P Tumasonis | 3-6,3-6 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Andre Miele v Gabriel P Tumasonis | 6-0,6-2 |
| ITF Brazil F9 | 2018/11/13 13:20 | Rafael Matos v Gabriel P Tumasonis | 7-6,6-1 |
| ITF Brazil F9 | 2018/11/12 13:35 | Gabriel P Tumasonis v Lucas Bernardo | 6-4,6-1 |
| ITF Brazil F8 | 2018/11/04 15:30 | Gabriel P Tumasonis v Joao Hinsching | 4-6,2-6 |
| 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 |