Stadium: Pista Central Round: 26 Ground: Clay
| ITF Spain F16 | 2018/06/26 16:00 | Evan Hoyt v Boris Arias | 6-2,7-5 |
| ITF Israel F8 | 2018/06/05 07:30 | Evan Hoyt v Lucas Catarina | 6-7,4-6 |
| ITF Spain F13 | 2018/05/29 11:50 | Albert Roglan v Evan Hoyt | 6-3,4-6,6-1 |
| ITF Poland F1 | 2018/04/30 10:00 | Martins Podzus v Evan Hoyt | 7-5,6-2 |
| ITF Egypt F14 | 2018/04/21 08:00 | David Poljak v Evan Hoyt | 6-4,6-4 |
| ITF Egypt F14 | 2018/04/20 08:00 | Evan Hoyt v Pablo Vivero Gonzalez | 6-3,6-3 |
| ITF Egypt F14 | 2018/04/19 08:00 | Evan Hoyt v Peter Goldsteiner | 7-6,6-4 |
| ITF Egypt F14 | 2018/04/17 08:00 | Christian Hirschmueller v Evan Hoyt | 4-6,6-4,1-6 |
| 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 |
| Challenger Poznan Qual | 2018/06/04 08:00 | Ronald Slobodchikov v Guillermo Olaso | 4-6,6-3,1-6 |
| Challenger Poznan Qual | 2018/06/03 09:25 | Juan Pablo Ficovich v Guillermo Olaso | 4-6,2-6 |
| Challenger Busan Qual | 2018/05/14 02:00 | Rubin Statham v Guillermo Olaso | 6-4,6-2 |
| Challenger Busan Qual | 2018/05/13 02:00 | Thomas Fancutt v Guillermo Olaso | 1-6,5-7 |
| Challenger Busan Qual | 2018/05/12 01:00 | Jae Hwan Kim v Guillermo Olaso | 0-6,5-7 |