Stadium: court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Lebanon F1 | 2018/09/29 13:00 | Alexandre Muller v Guillermo Olaso | 4-6,6-3,6-0 |
| ITF Lebanon F1 | 2018/09/28 13:00 | Guillermo Olaso v Edoardo Eremin | 6-1,6-4 |
| ITF Lebanon F1 | 2018/09/27 13:00 | Guillermo Olaso v Hasan Ibrahim | 6-2,6-4 |
| ITF Lebanon F1 | 2018/09/26 14:35 | Guillermo Olaso v Jaroslav Pospisil | 6-1,6-1 |
| ITF Germany F8 | 2018/07/19 11:35 | Orlando Luz v Guillermo Olaso | 7-6,6-0 |
| ITF Germany F8 | 2018/07/18 11:25 | Lucas Gerch v Guillermo Olaso | 2-6,3-6 |
| ITF Spain F16 | 2018/06/27 18:45 | Evan Hoyt v Guillermo Olaso | 4-6,6-2,6-4 |
| ITF Spain F16 | 2018/06/26 19:40 | Antonio Cembellin Prieto v Guillermo Olaso | 3-6,3-6 |
| ITF Portugal F22 | 2018/10/20 14:00 | Lluis Dolz v Tilen Zitnik | 1-6,6-2,4-6 |
| ITF Spain F30 | 2018/10/02 09:00 | Lluis Dolz v Marc Giner | 3-6,5-7 |
| ITF Spain F29 | 2018/09/22 09:30 | Oriol Fillat Gimenez v Lluis Dolz | 6-2,4-6,7-5 |
| ITF Spain F26 | 2018/09/02 08:30 | Rafael Mazon-Hernandez v Lluis Dolz | 6-2,6-1 |
| ITF Spain F26 | 2018/09/01 12:15 | Adria Alvarez v Lluis Dolz | 4-6,6-4,3-6 |
| ITF Belgium F10 Qual | 2018/08/25 08:00 | Lluis Dolz v Harry Lim | 6-3,4-6,3-6 |
| ITF Spain F20 Qual | 2018/07/22 11:00 | Lluis Dolz v Andres F Canovas | 0-6,0-6 |
| ITF Spain F19 Qual | 2018/07/15 07:30 | Bruno Mardones v Lluis Dolz | 0-6,6-3,6-1 |