Stadium: Campo 3 Round: 27 Ground: Clay
| Challenger Braga | 2018/05/08 11:25 | Sergio Gutierrez-Ferrol v Sumit Nagal | 6-4,6-0 |
| ATP Munich Qual | 2018/04/28 11:00 | Sergio Gutierrez-Ferrol v Jozef Kovalik | 2-6,6-7 |
| Challenger Marbella Qual | 2018/03/25 12:55 | Sergio Gutierrez-Ferrol v Pedro Cachin | 1-6,3-6 |
| Challenger Marbella Qual | 2018/03/24 14:50 | Sergio Gutierrez-Ferrol v Pablo Andujar | 7-6,6-2 |
| ITF Spain F6 | 2018/03/17 11:50 | Sergio Gutierrez-Ferrol v Germain Gigounon | 6-7,5-7 |
| ITF Spain F6 | 2018/03/16 13:00 | Joao Menezes v Sergio Gutierrez-Ferrol | 3-6,3-6 |
| ITF Spain F6 | 2018/03/15 10:30 | Maxime Chazal v Sergio Gutierrez-Ferrol | 1-6,6-1,4-6 |
| ITF Spain F6 | 2018/03/13 10:30 | Sergi Perez Contri v Sergio Gutierrez-Ferrol | 3-6,2-6 |
| Challenger Puerto Vallarta | 2018/05/05 23:00 | Adrian Menendez-Maceiras v Danilo Petrovic | 1-6,7-5,6-3 |
| Challenger Puerto Vallarta | 2018/05/04 23:00 | Danilo Petrovic v Carlos Gomez-Herrera | 6-3,6-3 |
| Challenger Puerto Vallarta | 2018/05/03 21:00 | Danilo Petrovic v Ante Pavic | 6-3,6-2 |
| Challenger Puerto Vallarta | 2018/05/02 19:00 | Danilo Petrovic v Ugo Humbert | 6-4,3-6,6-3 |
| Challenger Puerto Vallarta | 2018/05/01 18:35 | Danilo Petrovic v Gonzalo Escobar | 6-3,1-6,6-2 |
| Challenger Leon | 2018/04/24 17:45 | Jose Hernandez-Fernandez v Danilo Petrovic | 6-3,4-6,6-4 |
| Challenger Guadalajara | 2018/04/20 22:00 | Danilo Petrovic v Christopher Eubanks | 4-6,4-6 |
| Challenger Guadalajara | 2018/04/18 21:00 | Adrian Menendez-Maceiras v Danilo Petrovic | 2-6,5-7 |