Round: 44 Ground: Hardcourt outdoor
| ITF Spain F21 Qual | 2018/07/28 07:00 | Samuel M Arjona v Jaime Caldes | 3-6,1-6 |
| ITF Spain F20 Qual | 2018/07/21 11:00 | Samuel M Arjona v Eduard Guell Bartrina | 3-6,1-6 |
| ITF Spain F19 | 2018/07/17 14:00 | Diego Hidalgo v Samuel M Arjona | 6-1,6-0 |
| ITF Spain F11 | 2018/05/12 11:30 | Adria Alvarez v Samuel M Arjona | 6-2,6-2 |
| ITF Spain F7 | 2018/03/17 09:30 | Pol Martin Tiffon v Samuel M Arjona | 3-6,6-1,6-3 |
| ITF Spain F7 | 2018/03/16 08:00 | Adria Alvarez v Samuel M Arjona | 3-6,4-6 |
| ITF Spain F6 Qual | 2018/03/11 09:00 | Pasquale De Giorgio v Samuel M Arjona | 6-1,3-6,6-1 |
| ITF Spain F6 Qual | 2018/03/10 09:15 | Samuel M Arjona v Igor Banicevic | 6-2,6-0 |
| ITF Spain F30 | 2018/09/30 09:00 | Jake Hersey v Xavier Gabarro | 6-4,7-5 |
| ITF Spain F30 | 2018/09/29 12:00 | Xavier Gabarro v Eric Caleguer | 6-4,6-2 |
| ITF Spain F29 | 2018/09/22 09:30 | Xavier Gabarro v Pol Fernandez | 3-6,4-6 |
| ITF Spain F7 | 2018/03/19 08:00 | Eduard Guell Bartrina v Xavier Gabarro | 6-0,6-1 |
| ITF Spain F7 | 2018/03/17 12:30 | Xavier Gabarro v Manuel Barros | 4-6,6-2,6-1 |
| ITF Spain F6 Qual | 2018/03/11 09:00 | Xavier Gabarro v Pablo Llamas Ruiz | 0-6,2-6 |
| ITF Spain F4 | 2018/02/04 09:00 | Xavier Gabarro v Matvey Khomentovskiy | 7-6,5-7,3-6 |
| ITF Spain F4 | 2018/02/03 12:00 | Marco Neubau v Xavier Gabarro | 5-7,2-6 |