Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF Spain F11 | 2018/05/18 09:00 | Guttierrez-Ferrol, Sergio v Sebastian Korda | 6-7,6-1,6-3 |
| ITF Spain F11 | 2018/05/17 12:25 | Guttierrez-Ferrol, Sergio v Mikhail Korovin | 6-2,6-2 |
| ITF Spain F11 | 2018/05/16 13:20 | Guttierrez-Ferrol, Sergio v Andrey Chepelev | 6-2,6-3 |
| Challenger Braga | 2018/05/11 13:00 | Gastao Elias v Guttierrez-Ferrol, Sergio | 6-3,6-2 |
| Challenger Braga | 2018/05/09 11:00 | Guttierrez-Ferrol, Sergio v Gleb Sakharov | 6-3,6-4 |
| Challenger Braga | 2018/05/08 11:25 | Guttierrez-Ferrol, Sergio v Sumit Nagal | 6-4,6-0 |
| ATP Munich Qual | 2018/04/28 11:00 | Guttierrez-Ferrol, Sergio v Jozef Kovalik | 2-6,6-7 |
| Challenger Marbella Qual | 2018/03/25 12:55 | Guttierrez-Ferrol, Sergio v Pedro Cachin | 1-6,3-6 |
| ITF Spain F11 | 2018/05/18 11:30 | Toledo Bague, Pol v Salman, Omar | 6-3,4-6,1-6 |
| ITF Spain F11 | 2018/05/17 09:00 | Salman, Omar v Dowson, Dan | 7-6,6-2 |
| ITF Spain F11 | 2018/05/16 12:00 | Salman, Omar v Turchetti, Nicolo | 6-7,7-5,6-4 |
| ITF Spain F9 | 2018/04/17 10:25 | Lorenzo Giustino v Salman, Omar | 6-1,6-1 |
| ITF Spain F9 Qual | 2018/04/16 08:00 | Salman, Omar v Tashi, Vullnet | 3-6,6-1,6-3 |
| ITF Portugal F7 Qual | 2018/04/09 08:00 | Salman, Omar v Dowson, Dan | 3-6,6-7 |
| ITF Tunisia F11 | 2018/03/22 08:30 | Mancineiras Cornella, Oscar v Salman, Omar | 3-6,1-6 |
| Spain F6, Singles | 2018/03/14 10:30 | Salman, Omar v Marco Trungelliti | 4-6,3-6 |