Stadium: Campo 4 Round: 54 Ground: Clay
| Challenger Rome Qual | 2018/05/06 09:30 | Cervantes, Inigo v Andrea Guerrieri | 6-1,6-4 |
| ATP Barcelona Qual | 2018/04/21 10:35 | Cervantes, Inigo v Andujar, Pablo | 1-6,3-6 |
| Tunis, Tunisia, Qualifying | 2018/04/14 14:45 | Cervantes, Inigo v Gimeno-Traver, Daniel | 6-4,3-6,6-7 |
| ITF Portugal F7 | 2018/04/11 10:00 | Cervantes, Inigo v Reboul, Fabien | 2-6,1-6 |
| Challenger Alicante Qual | 2018/03/31 14:00 | Cervantes, Inigo v Ivan Gakhov | 4-6,6-7 |
| Challenger Marbella Qual | 2018/03/24 14:30 | Cervantes, Inigo v Djokovic, Marko | 5-7,3-6 |
| Challenger San Francisco | 2018/02/07 00:30 | Cervantes, Inigo v Jason Jung | 2-6,0-6 |
| Challenger Dallas | 2018/01/30 22:15 | Cervantes, Inigo v Taylor Fritz | 2-6,7-5,1-6 |
| Challenger Rome Qual | 2018/05/06 10:10 | Daniel Masur v Marcora, Roberto | 6-1,2-6,5-7 |
| Challenger Rome Qual | 2018/05/05 12:15 | Marcora, Roberto v Rodriguez, Cristian | 6-2,6-4 |
| Challenger Ostrava Qual | 2018/04/30 11:20 | Marcora, Roberto v Elliot Benchetrit | 4-6,4-6 |
| Challenger Ostrava Qual | 2018/04/29 14:15 | Ivan Gakhov v Marcora, Roberto | 1-6,4-6 |
| Challenger Ostrava Qual | 2018/04/28 15:05 | Rondoni, Pietro v Marcora, Roberto | 4-6,1-6 |
| Challenger Francavilla Qual | 2018/04/21 12:55 | Marcora, Roberto v Gianluca Mager | 4-6,0-6 |
| Turkey F14, Singles Qualifying | 2018/04/12 09:15 | Marcora, Roberto v Pospisil, Jaroslav | 1-6,2-6 |
| Turkey F14, Singles Qualifying | 2018/04/10 07:30 | Marcora, Roberto v Vittar, Francisco | 6-3,6-2 |