Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F18 | 2017/08/26 09:00 | Lavanchy, Nathan v von Hafe Perez, Jose | 3-6,3-6 |
| ITF Spain F26 Qual | 2017/08/19 09:00 | Lavanchy, Nathan v Fernandez-Guimera, Alfonso | 2-6,6-3,6-7 |
| ITF Spain F25 | 2017/08/12 11:30 | Afonso Portugal v Lavanchy, Nathan | 6-2,6-0 |
| ITF Morocco F3 | 2017/07/29 09:00 | Lavanchy, Nathan v Sami Ben Abdennibi | 3-6,5-7 |
| ITF Morocco F1 | 2017/07/15 14:00 | Buehler, Sebastian v Lavanchy, Nathan | 4-6,6-1,6-3 |
| ITF Spain F21 Qual | 2017/07/09 09:00 | Lavanchy, Nathan v Imanol L Morillo | 4-6,1-6 |
| ITF Portugal F10 | 2017/07/04 09:00 | Syromolotov Netrebin, Yuri v Lavanchy, Nathan | 6-4,6-4 |
| ITF Spain F17 | 2017/06/10 08:45 | Davies, George v Lavanchy, Nathan | 6-4,6-2 |
| ITF Spain F28 | 2017/09/07 14:30 | Jay Clarke v Sergi Perez Contri | 6-1,6-1 |
| ITF Spain F28 | 2017/09/06 15:30 | Sergi Perez Contri v Samper-Montana, Jordi | 6-4,6-2 |
| ITF Spain F28 | 2017/09/04 08:30 | Muniz Hidalgo, Antonio v Sergi Perez Contri | 1-6,3-6 |
| ITF Spain F27 | 2017/08/29 13:10 | Pedro Cachin v Sergi Perez Contri | 4-6,6-1,6-2 |
| ITF Spain F26 | 2017/08/22 10:00 | Sanz Llopis, Aitor v Sergi Perez Contri | 6-2,6-4 |
| ITF Spain F25 | 2017/08/14 08:00 | Sergi Perez Contri v Dolz, Lluis | 6-1,2-6,2-6 |
| ITF Spain F23 | 2017/07/25 07:00 | Alberto Barroso Campos v Sergi Perez Contri | 6-2,6-0 |
| ITF Spain F23 Qual | 2017/07/24 08:50 | Sergi Perez Contri v Klimov, Daniil | 6-2,4-6,6-1 |