Round: 44 Ground: Clay
| ITF Dominican Rep F3 | 2016/12/11 14:00 | Victor Ouvrard v Gabriel P Tumasonis | 6-1,6-0 |
| ITF Dominican Republic F2 | 2016/12/03 17:00 | Jesus Francisco Felix v Gabriel P Tumasonis | 6-7,6-0,6-3 |
| ITF Dominican Republic F1 | 2016/12/01 17:50 | Gabriel P Tumasonis v Caio Silva | 0-6,0-6 |
| ITF Dominican Republic F1 | 2016/11/30 16:40 | Thales Turini v Gabriel P Tumasonis | 4-6,2-6 |
| ITF Dominican Republic F1 | 2016/11/26 14:00 | Gabriel P Tumasonis v Washi Gervais | 5-7,6-2,6-2 |
| Challenger Santos Qual | 2016/09/18 15:30 | Fabricio Neis v Gabriel P Tumasonis | 6-1,6-3 |
| Challenger Santos Qual | 2016/09/17 15:18 | Gabriel P Tumasonis v Felipe Galvao | 6-0,6-2 |
| ITF Brazil F4 Qual | 2016/07/17 12:00 | Osni Junior v Gabriel P Tumasonis | 6-3,6-2 |
| ITF Turkey F13 | 2017/04/04 07:30 | Javier Naser v Volodymyr Uzhylovskyi | 4-6,6-1,5-7 |
| ITF Turkey F13 | 2017/04/03 08:00 | Juan Ignacio Ameal v Javier Naser | 6-7,4-6 |
| ITF Turkey F13 | 2017/04/01 07:00 | Felipe Meligeni Rodrigues Alves v Javier Naser | 5-7,4-6 |
| ITF Turkey F12 | 2017/03/26 07:00 | Javier Naser v Simon Navarro | 6-4,4-6,5-7 |
| ITF Turkey F12 | 2017/03/25 06:30 | Luke Stevenson v Javier Naser | 2-6,1-6 |
| ITF Turkey F11 | 2017/03/19 07:00 | Javier Naser v Simon Navarro | 3-6,3-6 |
| ITF Turkey F10 | 2017/03/13 07:00 | Javier Naser v Santiago Rodriguez Taverna | 3-6,4-6 |
| ITF Turkey F10 | 2017/03/11 07:00 | Javier Naser v Sorin Andrei Iordache | 6-0,6-4 |