Round: 26 Ground: Clay
| ITF Spain F16 | 2017/06/06 14:30 | Maxime Hamou v David Vega Hernandez | 4-6,3-6 |
| ITF Romania F2 | 2017/05/25 09:25 | Gregoire Jacq v David Vega Hernandez | 6-3,1-6,7-5 |
| ITF Romania F2 | 2017/05/24 09:40 | Teodor Giusca v David Vega Hernandez | 2-6,2-6 |
| ITF Spain F13 | 2017/05/12 11:00 | Daniel Dutra Da Silva v David Vega Hernandez | 3-6,6-4,6-3 |
| ITF Spain F13 | 2017/05/11 09:00 | David Vega Hernandez v Pedro Martinez | 6-3,6-3 |
| ITF Spain F13 | 2017/05/09 10:15 | David Vega Hernandez v Javier Barranco Cosano | 6-1,6-3 |
| ITF Spain F12 | 2017/05/02 11:00 | Pedro Cachin v David Vega Hernandez | 6-3,5-7,6-2 |
| ITF Portugal F7 | 2017/04/21 12:40 | David Vega Hernandez v Joao Domingues | 7-6,0-6,4-6 |
| ITF Spain F16 | 2017/06/06 09:00 | Lamine Ouahab v Guilherme Clezar | 7-6,1-6,4-6 |
| ITF Italy F15 | 2017/05/30 13:30 | Gianni Mina v Guilherme Clezar | 4-6,6-1,6-2 |
| Challenger Francavilla | 2017/04/25 14:55 | Guilherme Clezar v Matteo Berrettini | 7-6,1-6,3-6 |
| ITF Italy F9 | 2017/04/22 09:30 | Guilherme Clezar v Salvatore Caruso | 3-6,3-6 |
| ITF Italy F9 | 2017/04/21 10:30 | Yannick Maden v Guilherme Clezar | 5-7,4-6 |
| ITF Italy F9 | 2017/04/20 12:30 | Guilherme Clezar v Stefanos Tsitsipas | 6-4,7-6 |
| ITF Italy F9 | 2017/04/19 14:50 | Guilherme Clezar v Filippo Baldi | 6-2,6-3 |
| ITF Italy F9 | 2017/04/17 16:55 | Guilherme Clezar v Rhyne Williams | 7-6,7-5 |