Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Spain F18 Qual | 2018/07/07 08:00 | Mardones, Bruno v Florent Bax | 6-3,2-6,2-6 |
| ITF Spain F17 | 2018/07/02 09:00 | Mardones, Bruno v Javier Barranco Cosano | 3-6,3-6 |
| ITF Spain F17 Qual | 2018/07/01 11:20 | Mardones, Bruno v Enfedaque Manogue, David | 6-3,7-5 |
| ITF Spain F15 | 2018/06/14 15:00 | Mardones, Bruno v de Rueda de Genover, Ignasi | 2-6,4-6 |
| ITF Spain F15 | 2018/06/13 15:00 | Vilardo, Francesco v Mardones, Bruno | 6-7,6-3,6-7 |
| ITF Spain F14 Qual | 2018/06/03 12:55 | Mardones, Bruno v Leote Prata, Martim | 3-6,6-3,4-6 |
| ITF Spain F14 Qual | 2018/06/02 14:30 | Mardones, Bruno v Juarez Caro, Jose | 6-3,6-2 |
| ITF Spain F12 | 2018/05/19 07:00 | Mardones, Bruno v Pol Martin Tiffon | 1-6,6-1,3-6 |
| ITF Spain F18 Qual | 2018/07/07 08:00 | Nikolas Sanchez Izquierdo v Aranzabal, Mikel | 6-2,6-1 |
| ITF Spain F17 Qual | 2018/06/30 12:15 | Blanco Guadalupe, Jorge v Aranzabal, Mikel | 4-6,6-2,6-3 |
| ITF Spain F14 Qual | 2018/06/02 11:00 | Goransson, Andre v Aranzabal, Mikel | 7-5,7-6 |
| ITF Spain F13 | 2018/05/27 08:00 | Aranzabal, Mikel v Adil Kalyanpur | 2-6,2-6 |
| ITF Spain F13 | 2018/05/26 09:00 | Bothwell, Samuel v Aranzabal, Mikel | 6-7,6-1,4-6 |
| ITF Spain F12 | 2018/05/20 07:00 | Aranzabal, Mikel v Franco Ribero | 1-6,1-6 |
| ITF Spain F11 | 2018/05/13 09:00 | Jacobs, Tuki v Aranzabal, Mikel | 6-0,2-6,6-4 |
| ITF Spain F11 | 2018/05/12 11:30 | Monsonis Uso, Jose Vicent v Aranzabal, Mikel | 4-6,5-7 |