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