Stadium: Court 16 Round: 25 Ground: Clay
| Challenger Barletta Qual | 2018/04/07 08:00 | Miguel Semmler v Andreas Haider-Maurer | 4-6,5-7 |
| Challenger Alicante Qual | 2018/03/31 08:30 | Miguel Semmler v Mario Vilella Martinez | 2-6,1-6 |
| Challenger Marbella Qual | 2018/03/24 10:00 | Miguel Semmler v Matteo Donati | 4-6,4-6 |
| ITF Spain F7 | 2018/03/20 10:25 | Miguel Semmler v Javier Barranco Cosano | 3-6,6-7 |
| ITF Spain F6 | 2018/03/15 13:00 | Miguel Semmler v Marco Trungelliti | 6-2,2-6,3-6 |
| ITF Portugal F3 | 2018/03/11 11:00 | Miguel Semmler v David Vega Hernandez | 2-6,3-6 |
| ITF Portugal F3 | 2018/03/10 14:25 | Miguel Semmler v Antoine Walch | 6-4,6-4 |
| ITF Portugal F3 | 2018/03/08 13:30 | Miguel Semmler v Peter Bothwell | 6-7,6-0,7-5 |
| ITF Spain F9 Qual | 2018/04/16 10:25 | Nikolas Sanchez Izquierdo v Louis Chaix | 6-2,6-1 |
| ITF Spain F9 Qual | 2018/04/15 10:30 | Ryan Nijboer v Nikolas Sanchez Izquierdo | 3-6,3-6 |
| ITF Spain F9 Qual | 2018/04/14 12:15 | Alejandro Moro Canas v Nikolas Sanchez Izquierdo | 4-6,0-6 |
| ITF Tunisia F12 | 2018/03/26 11:30 | Nikolas Sanchez Izquierdo v Alex M Pujolras | 6-1,4-6,6-7 |
| ITF Spain F7 | 2018/03/19 09:30 | Aaron Cortes Alcaraz v Nikolas Sanchez Izquierdo | 6-2,6-1 |
| ITF Tunisia F10 | 2018/03/15 08:30 | Eduardo Agustin Torre v Nikolas Sanchez Izquierdo | 7-6,6-3 |
| ITF Tunisia F10 | 2018/03/13 09:40 | Nikolas Sanchez Izquierdo v Edoardo Lamberti | 6-0,6-4 |
| ITF Tunisia F10 | 2018/03/12 08:30 | Nikolas Sanchez Izquierdo v Loick Bruandet | 6-2,6-0 |