Round: 44 Ground: Clay
| ITF Belgium F5 | 2017/07/16 09:30 | Maxime Pauwels v Gabriel P Tumasonis | 6-2,6-1 |
| ITF Belgium F5 | 2017/07/15 11:00 | Simon Musset v Gabriel P Tumasonis | 6-7,0-6 |
| ITF Belgium F4 Qual | 2017/07/09 09:40 | Turpal Gadamauri v Gabriel P Tumasonis | 6-4,3-6,7-5 |
| ITF Belgium F4 Qual | 2017/07/08 15:00 | Crisanto Ramirez v Gabriel P Tumasonis | 1-6,3-6 |
| ITF Belgium F3 Qual | 2017/07/02 08:00 | Arnaud Graisse v Gabriel P Tumasonis | 6-2,6-2 |
| ITF Romania F5 | 2017/06/26 08:35 | Alejo Vilaro v Gabriel P Tumasonis | 2-6,6-1,6-1 |
| ITF Romania F5 | 2017/06/25 11:00 | Vlad Protopopescu v Gabriel P Tumasonis | 3-6,2-6 |
| ITF Romania F5 | 2017/06/24 09:30 | Alexandru Ionel Stroe v Gabriel P Tumasonis | 2-6,4-6 |
| ITF Belgium F6 | 2017/07/22 08:00 | David Tixhon v Lars Hoischen | 4-6,1-6 |
| ITF Germany F5 | 2017/06/27 09:00 | Johannes Haerteis v Lars Hoischen | 6-1,6-1 |