Stadium: Court M Round: 25 Ground: Clay
| Challenger Blois Qual | 2018/06/17 12:00 | Gregoire Jacq v David Vega Hernandez | 7-5,6-3 |
| Challenger Blois Qual | 2018/06/16 12:15 | David Vega Hernandez v Robin Kern | 3-6,6-1,6-4 |
| ITF Spain F14 | 2018/06/08 16:35 | Pedro Martinez v David Vega Hernandez | 6-2,7-5 |
| ITF Spain F14 | 2018/06/07 17:30 | Niels Desein v David Vega Hernandez | 6-4,3-6,4-6 |
| ITF Spain F14 | 2018/06/06 12:30 | Antoine Bellier v David Vega Hernandez | 4-6,0-6 |
| ITF Spain F14 | 2018/06/05 14:45 | David Vega Hernandez v Pol Toledo Bague | 7-5,6-1 |
| Challenger Lisbon Qual | 2018/05/14 10:00 | David Vega Hernandez v Alejandro Davidovich Fokina | 2-6,3-6 |
| Challenger Lisbon Qual | 2018/05/13 12:20 | David Vega Hernandez v Nathaniel Lammons | 6-2,3-6,6-2 |
| ITF Germany F8 Qual | 2018/07/16 09:30 | Joao Souza v Leon Hoeveler | 6-1,6-0 |
| ITF Germany F8 Qual | 2018/07/15 12:00 | Joao Souza v Tillmann Erdbories | 4-6,6-1,7-5 |
| Challenger Braunschweig Qual | 2018/07/07 12:05 | Joao Souza v Marvin Netuschil | 2-6,6-2,3-6 |
| Challenger Milan Qual | 2018/06/24 13:10 | Jordi Samper-Montana v Joao Souza | 6-0,6-3 |
| Challenger Milan Qual | 2018/06/23 13:35 | Pasquale De Giorgio v Joao Souza | 4-6,2-6 |
| Challenger L'Aquila Qual | 2018/06/17 08:00 | Joao Souza v Riccardo Bonadio | 7-5,6-7,3-6 |
| Challenger Caltanissetta Qual | 2018/06/11 10:15 | Joao Souza v Marc Sieber | 6-2,3-6,4-6 |
| Challenger Caltanissetta Qual | 2018/06/10 12:10 | Joao Souza v Claudio Fortuna | 7-6,6-2 |