Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Recife | 2024/03/06 14:40 | Gabriel P Tumasonis v Quentin Folliot | 4-6,6-4,4-6 |
| ITF M25 Recife | 2024/03/04 15:15 | Facundo Bermejo v Gabriel P Tumasonis | 0-6,6-7 |
| ITF M25 Recife | 2024/03/03 16:00 | Guilherme Meale v Gabriel P Tumasonis | 0-6,2-6 |
| Challenger Piracicaba | 2024/01/28 18:45 | Damien Wenger v Gabriel P Tumasonis | 6-1,6-1 |
| ITF M25 Lajeado | 2023/10/09 16:00 | Sean Hess v Gabriel P Tumasonis | 6-3,6-2 |
| ITF M15 São Paulo | 2023/08/21 16:30 | Enzo Lima v Gabriel P Tumasonis | 6-3,6-1 |
| ITF M15 Belém | 2023/08/15 13:00 | Gabriel P Tumasonis v Miguel Angel Cabrera | 0-6,1-6 |
| ITF M15 Belém | 2023/08/14 13:00 | Gabriel P Tumasonis v Valentin M Greco | 6-3,6-3 |