Round: 44 Ground: Hardcourt outdoor
| ITF Spain F30 Qual | 2017/09/17 13:30 | Pedro Martinez v Nikolas Sanchez Izquierdo | 6-4,6-3 |
| ITF Spain F27 | 2017/08/29 17:00 | Nikolas Sanchez Izquierdo v Daniel Gimeno-Traver | 0-6,4-6 |
| ITF Spain F27 Qual | 2017/08/27 11:15 | Miguel Vallejo v Nikolas Sanchez Izquierdo | 6-7,2-6 |
| ITF Spain F14 | 2017/05/13 07:00 | Nikolas Sanchez Izquierdo v Quim Sorni Chavarria | 4-6,5-7 |
| ITF Spain F13 | 2017/05/06 11:30 | Nikolas Sanchez Izquierdo v Lucas Vuradin | 3-6,4-6 |
| ITF Spain F8 | 2017/03/18 09:45 | Nikolas Sanchez Izquierdo v Boris Pokotilov | 6-7,6-2,4-6 |
| ITF Spain F7 | 2017/03/12 08:30 | Nikolas Sanchez Izquierdo v Alejandro Ibanez Gallego | 2-6,4-6 |
| ITF Spain F7 | 2017/03/11 08:30 | Nikolas Sanchez Izquierdo v Adrian Exposito | 6-2,4-6,6-2 |
| ITF Spain F30 Qual | 2017/09/17 14:30 | Arnau R Queralto v Adil Kalyanpur | 4-6,4-6 |
| ITF Spain F30 Qual | 2017/09/16 14:30 | Arnau R Queralto v Nathan Lavanchy | 6-1,6-2 |
| ITF Spain F20 Qual | 2017/07/01 07:30 | Rafael Mazon-Hernandez v Arnau R Queralto | 6-0,6-1 |
| ITF Spain F19 Qual | 2017/06/24 17:25 | Christian Lerby v Arnau R Queralto | 6-4,6-2 |
| ITF Spain F15 | 2017/05/20 09:30 | Eduard Guell Bartrina v Arnau R Queralto | 6-0,6-1 |
| ITF Spain F14 | 2017/05/13 07:00 | Bruno P Navarro v Arnau R Queralto | 7-5,7-5 |
| ITF Spain F13 | 2017/05/06 13:30 | Arnau R Queralto v Artur Shakhnubaryan | 6-7,0-6 |
| ITF Spain F8 | 2017/03/19 08:00 | Arnau R Queralto v Javier Barranco Cosano | 0-6,0-6 |