Stadium: Court 14 Round: 44 Ground: Grass
| Challenger Poprad Tatry | 2018/06/21 11:40 | de Greef, Arthur v Guttierrez-Ferrol, Sergio | 6-2,7-5 |
| Challenger Poprad Tatry | 2018/06/20 10:30 | Guttierrez-Ferrol, Sergio v Casper Ruud | 6-4,6-1 |
| ITF Spain F14 | 2018/06/09 18:30 | Pedro Martinez v Guttierrez-Ferrol, Sergio | 6-3,6-7,2-6 |
| ITF Spain F14 | 2018/06/08 14:45 | Raul Brancaccio v Guttierrez-Ferrol, Sergio | 3-6,3-6 |
| ITF Spain F14 | 2018/06/07 14:00 | Alejandro Davidovich Fokina v Guttierrez-Ferrol, Sergio | 5-7,2-6 |
| ITF Spain F14 | 2018/06/06 12:35 | Javier Barranco Cosano v Guttierrez-Ferrol, Sergio | 2-6,2-6 |
| ITF Spain F14 | 2018/06/05 13:00 | Lakat, Florian v Guttierrez-Ferrol, Sergio | 0-6,1-6 |
| Challenger Mestre | 2018/05/25 09:30 | Guttierrez-Ferrol, Sergio v Petrovic, Danilo | 6-1,4-6,1-6 |
| Challenger Ilkley Qual | 2018/06/17 13:40 | Akira Santillan v Glasspool, Lloyd | 6-3,7-6 |
| Challenger Ilkley Qual | 2018/06/16 10:00 | Glasspool, Lloyd v Whittington, Andrew | 7-5,6-4 |
| Challenger Nottingham Qual | 2018/06/09 12:30 | Kamke, Tobias v Glasspool, Lloyd | 6-3,6-2 |
| Surbiton, Great Britain | 2018/06/05 12:20 | Glasspool, Lloyd v Taylor Fritz | 6-4,3-6,4-6 |
| Challenger Loughborough | 2018/05/21 16:30 | Ward, James v Glasspool, Lloyd | 7-5,6-1 |
| Challenger - Glasgow | 2018/05/02 13:50 | Olaso, Guillermo v Glasspool, Lloyd | 6-4,6-3 |
| Challenger - Glasgow | 2018/04/30 13:00 | Glasspool, Lloyd v Marek Jaloviec | 6-3,6-2 |
| Challenger Leon Qual | 2018/04/21 21:15 | Gomez, Alejandro v Glasspool, Lloyd | 7-5,7-5 |