Stadium: Pista 2 Round: 25 Ground: Clay
| Challenger Bordeaux Qual | 2018/05/13 10:50 | Mathias Bourgue v Desein, Niels | 6-2,7-6 |
| Challenger Bordeaux Qual | 2018/05/12 11:10 | Eysseric, Jonathan v Desein, Niels | 3-6,6-3,3-6 |
| ITF France F8 | 2018/04/25 09:25 | Tristan Lamasine v Desein, Niels | 7-5,6-4 |
| ITF Portugal F8 | 2018/04/19 13:05 | Monteiro, Joao v Desein, Niels | 6-2,6-7,6-4 |
| ITF Portugal F8 | 2018/04/18 15:00 | Desein, Niels v Dias, Francisco | 6-1,4-6,6-1 |
| ITF Italy F7 | 2018/04/11 13:45 | Desein, Niels v Andrea Collarini | 3-6,6-7 |
| ITF Italy F7 | 2018/04/09 16:20 | Desein, Niels v Ornago, Fabrizio | 6-2,6-1 |
| Challenger Alicante Qual | 2018/03/31 10:10 | Gimeno-Traver, Daniel v Desein, Niels | 3-6,6-1,6-2 |
| ITF Spain F14 Qual | 2018/06/03 10:10 | Cortes Alcaraz, Aaron v Benjamin Winter Lopez | 7-5,3-6,7-6 |
| ITF Spain F12 | 2018/05/22 12:20 | Cortes Alcaraz, Aaron v Nikolas Sanchez Izquierdo | 6-7,6-2,6-7 |
| ITF Spain F11 | 2018/05/15 10:30 | Raul Brancaccio v Cortes Alcaraz, Aaron | 1-6,7-6,6-3 |
| ITF Spain F11 | 2018/05/14 09:00 | Cortes Alcaraz, Aaron v Sanchez Vinas, Pol | 6-1,6-1 |
| ITF Spain F11 | 2018/05/13 09:00 | Cortes Alcaraz, Aaron v Alvarez, Adria | 6-0,6-1 |
| ITF Uganda F2 | 2018/05/07 12:30 | Cortes Alcaraz, Aaron v Ajeet Rai | 1-6,6-7 |
| ITF Uganda F1 | 2018/05/03 06:00 | Cortes Alcaraz, Aaron v George Loffhagen | 4-6,1-6 |
| ITF Uganda F1 | 2018/04/30 08:35 | Cortes Alcaraz, Aaron v Gabrieli, Tommaso | 6-3,3-6,6-3 |