Stadium: Court 1 Round: 27
| 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 France F10 | 2018/06/19 11:15 | Guillermo Olaso v Eduard Guell | 4-6,6-3,7-6 |
| Challenger Poznan Qual | 2018/06/04 13:30 | Jeremy Jahn v Guillermo Olaso | 6-7,6-1,6-2 |
| ITF Lebanon F1 | 2018/09/27 13:00 | Edoardo Eremin v Sadio Doumbia | 6-3,3-6,6-3 |
| ITF Lebanon F1 | 2018/09/26 13:00 | Edoardo Eremin v Mathieu Perchicot | 6-4,6-4 |
| Challenger Genova | 2018/09/02 09:40 | Edoardo Eremin v Alen Avidzba | 3-6,6-4,3-6 |
| Challenger Cordenons | 2018/08/11 12:25 | Edoardo Eremin v Bruno Santanna | 4-6,6-4,5-7 |
| Challenger Padova | 2018/07/25 17:00 | Edoardo Eremin v Simone Bolelli | 6-1,3-6,6-2 |
| Challenger Padova Qual | 2018/07/23 12:30 | Edoardo Eremin v Alessandro Petrone | 6-4,6-4 |
| Challenger San Benedetto Qual | 2018/07/16 12:15 | Edoardo Eremin v Pietro Rondoni | 5-7,6-7 |
| Challenger San Benedetto Qual | 2018/07/15 09:45 | Antonio Massara v Edoardo Eremin | 1-6,2-6 |