Stadium: Court 16 Round: 62 Ground: Clay
| ITF Spain F24 | 2018/08/21 13:00 | Boris Arias v Carlos Boluda-Purkiss | 2-6,6-7 |
| ITF Spain F24 | 2018/08/20 09:00 | Hugo Largo v Boris Arias | 3-6,6-4,4-6 |
| ITF Spain F24 | 2018/08/19 09:30 | Asier U Morillas v Boris Arias | 4-6,1-6 |
| ITF Spain F23 | 2018/08/15 09:30 | Federico Zeballos v Boris Arias | 6-0,6-2 |
| ITF Spain F23 | 2018/08/13 09:30 | Rafael Mazon-Hernandez v Boris Arias | 2-6,4-6 |
| ITF Spain F22 | 2018/08/06 17:00 | Boris Arias v Jordi Munoz-Abreu | 3-6,4-6 |
| ITF Spain F22 | 2018/08/05 18:00 | Boris Arias v Francisco P Bascon | 6-2,6-3 |
| Challenger Segovia Qual | 2018/07/28 11:00 | Alberto Romero De Avila Senise v Boris Arias | 6-7,6-4,6-2 |
| ITF Switzerland F5 | 2018/09/02 11:30 | Sebastian Eguez v Flemming Peters | 4-6,4-6 |
| ITF Switzerland F4 | 2018/08/25 07:00 | Sebastian Eguez v Dominic Stephan Stricker | 4-6,1-6 |
| ITF Switzerland F3 | 2018/08/21 14:40 | Sebastian Eguez v Steven Diez | 1-6,0-6 |
| ITF Switzerland F3 | 2018/08/20 09:25 | Mark Burgos v Sebastian Eguez | 2-6,6-7 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Stefan Micov v Sebastian Eguez | 7-5,3-6,6-4 |
| ITF Slovakia F2 | 2018/07/29 09:00 | Sebastian Eguez v Samuel Hodor | 0-6,2-6 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Sebastian Eguez v Gian Gruenig | 6-7,4-6 |
| ITF Austria F6 | 2017/08/05 10:00 | Daniele Capecchi v Sebastian Eguez | 6-3,6-2 |