| ITF Brazil F4 Qual | 2016/07/17 12:00 | Osni Junior v Gabriel P Tumasonis | 6-3,6-2 |
| ITF Brazil F3 | 2016/07/10 14:30 | Agustin Suarez Gonzalez v Gabriel P Tumasonis | 6-3,3-6,7-6 |
| ITF Brazil F2 | 2016/07/03 13:00 | Fermin Peralta Martinez v Gabriel P Tumasonis | 6-2,7-5 |
| ITF Brazil F2 | 2016/07/02 12:00 | Renato Lima v Gabriel P Tumasonis | 4-6,5-7 |
| ITF Brazil F1 | 2016/06/28 18:05 | Gabriel P Tumasonis v Federico Moreno | 1-6,1-6 |
| ITF Brazil F1 | 2016/06/25 13:00 | Gabriel P Tumasonis v Pedro Gabriel Rodrigues | 6-3,6-3 |
| ITF Mexico F5 | 2016/05/30 15:30 | Aron Hiltzik v Gabriel P Tumasonis | 6-2,6-3 |
| ITF Mexico F4 | 2016/05/23 15:00 | Tim Kopinski v Gabriel P Tumasonis | 6-3,7-6 |