Stadium: Cancha Central Round: 25 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 Bolivia F2 | 2018/09/18 19:00 | Jose Olivares v Andre Miele | 4-6,6-4,2-6 |
| ITF Bolivia F1 | 2018/09/12 23:15 | Luciano Doria v Jose Olivares | 7-6,6-4 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Alexandre Tsuchiya v Jose Olivares | 6-7,3-6 |
| ITF Mexico F3 | 2018/05/24 18:30 | Jose Olivares v Pavel Krainik | 6-3,1-6,5-7 |
| ITF Mexico F3 | 2018/05/23 15:00 | Mauricio Resendiz v Jose Olivares | 2-6,3-6 |
| ITF Mexico F3 | 2018/05/22 15:00 | Michael-John Every v Jose Olivares | 3-6,1-6 |
| ITF Mexico F2 | 2018/05/19 18:25 | Jose Olivares v Gerardo L Villasenor | 6-7,1-6 |
| ITF Mexico F2 | 2018/05/18 19:00 | Nicholas Shamma v Jose Olivares | 4-6,6-7 |