Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF Tunisia F24 | 2018/06/23 08:30 | Diego Hidalgo v Juan Ignacio Galarza | 4-6,4-6 |
| ITF Tunisia F24 | 2018/06/22 09:00 | Garrett Johns v Diego Hidalgo | 0-6,2-6 |
| ITF Tunisia F24 | 2018/06/21 09:00 | Diego Hidalgo v Andrey Chepelev | 6-1,6-1 |
| ITF Tunisia F24 | 2018/06/19 09:00 | Diego Hidalgo v Edris Fetisleam | 6-4,6-1 |
| ITF Spain F12 | 2018/05/24 09:00 | Youssef Hossam v Diego Hidalgo | 6-7,6-4,3-6 |
| ITF Spain F12 | 2018/05/22 09:30 | Diego Hidalgo v Adria Mas Mascolo | 6-0,6-1 |
| ITF Tunisia F18 | 2018/05/11 11:00 | David Guez v Diego Hidalgo | 6-4,6-2 |
| ITF Tunisia F18 | 2018/05/10 09:00 | Diego Hidalgo v Jaime Pulgar-Garcia | 6-4,6-1 |
| ITF France F10 | 2018/06/19 13:10 | Miguel Semmler v Matteo Martineau | 4-6,4-6 |
| ATP Madrid Qual | 2018/05/05 09:00 | Federico Delbonis v Miguel Semmler | 6-4,6-1 |
| ITF Spain F10 | 2018/04/24 11:00 | Pedro Cachin v Miguel Semmler | 6-1,6-4 |
| ITF Spain F9 | 2018/04/19 12:20 | Raul Brancaccio v Miguel Semmler | 6-3,6-1 |
| ITF Spain F9 | 2018/04/17 09:50 | Miguel Semmler v Nikolas Sanchez Izquierdo | 6-4,7-6 |
| Challenger Barletta Qual | 2018/04/07 08:00 | Miguel Semmler v Andreas Haider-Maurer | 4-6,5-7 |
| Challenger Alicante Qual | 2018/03/31 08:30 | Miguel Semmler v Mario Vilella Martinez | 2-6,1-6 |
| Challenger Marbella Qual | 2018/03/24 10:00 | Miguel Semmler v Matteo Donati | 4-6,4-6 |