Stadium: Pista José G.Requena Round: 27 Ground: Clay
| ITF France F8 | 2018/04/25 09:25 | Tristan Lamasine v Niels Desein | 7-5,6-4 |
| ITF Portugal F8 | 2018/04/19 13:05 | Joao Monteiro v Niels Desein | 6-2,6-7,6-4 |
| ITF Portugal F8 | 2018/04/18 15:00 | Niels Desein v Francisco Dias | 6-1,4-6,6-1 |
| ITF Italy F7 | 2018/04/11 13:45 | Niels Desein v Andrea Collarini | 3-6,6-7 |
| ITF Italy F7 | 2018/04/09 16:20 | Niels Desein v Fabrizio Ornago | 6-2,6-1 |
| Challenger Alicante Qual | 2018/03/31 10:10 | Daniel Gimeno-Traver v Niels Desein | 3-6,6-1,6-2 |
| Challenger Lille Qual | 2018/03/19 11:05 | Niels Desein v Antoine Escoffier | 6-3,3-6,3-6 |
| Challenger Lille Qual | 2018/03/18 12:00 | Niels Desein v Edward Corrie | 7-6,3-6,6-1 |
| Challenger Braga Qual | 2018/05/06 12:20 | Zhizhen Zhang v David Vega Hernandez | 6-7,6-2,4-6 |
| Challenger Braga Qual | 2018/05/05 14:00 | David Vega Hernandez v Eduard Esteve Lobato | 2-6,6-1,6-3 |
| Challenger Braga Qual | 2018/05/05 10:25 | Goncalo Ferreira v David Vega Hernandez | 3-6,1-6 |
| Challenger Francavilla Qual | 2018/04/21 08:00 | David Vega Hernandez v Elliot Benchetrit | 4-6,2-6 |
| Challenger Tunis Qual | 2018/04/14 11:20 | Pedro Martinez v David Vega Hernandez | 6-1,6-3 |
| Challenger Alicante Qual | 2018/04/01 11:45 | Mario Vilella Martinez v David Vega Hernandez | 6-3,7-6 |
| Challenger Marbella Qual | 2018/03/24 15:55 | David Vega Hernandez v Pedro Cachin | 3-6,4-6 |
| ITF Portugal F5 Qual | 2018/03/21 11:40 | David Vega Hernandez v Romain Barbosa | 6-1,3-6,5-7 |