Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF Spain F24 | 2018/08/22 10:10 | Diego Hidalgo v Quim Sorni Chavarria | 6-2,6-4 |
| ITF Spain F24 | 2018/08/20 13:40 | Martin Cuevas v Diego Hidalgo | 3-6,4-6 |
| ITF Spain F22 | 2018/08/10 17:55 | Diego Hidalgo v David Perez Sanz | 5-7,4-6 |
| ITF Spain F22 | 2018/08/08 17:00 | Diego Hidalgo v Marco Brugnerotto | 6-1,6-3 |
| ITF Spain F22 | 2018/08/07 18:20 | Diego Hidalgo v Luis Diego Chavez Villalpando | 6-2,6-4 |
| Challenger Segovia Qual | 2018/07/28 11:00 | Diego Hidalgo v Nicolas Alvarez Varona | 3-6,4-6 |
| ITF Spain F20 | 2018/07/24 08:00 | Pol Toledo Bague v Diego Hidalgo | 6-1,6-1 |
| ITF Spain F19 | 2018/07/20 14:00 | Diego Hidalgo v Raul Brancaccio | 6-1,5-7,2-6 |
| ITF Spain F24 | 2018/08/21 16:00 | Borja G-De La Maza v Miguel Semmler | 0-6,3-6 |
| ITF Romania F8 | 2018/08/10 09:40 | Miguel Semmler v Dragos Dima | 1-6,3-6 |
| ITF Romania F8 | 2018/08/09 07:00 | Miguel Semmler v Dan Alexandru Tomescu | 7-6,6-2 |
| ITF Romania F8 | 2018/08/08 07:00 | Miguel Semmler v Matei A Georgescu | 6-0,6-4 |
| Challenger Segovia | 2018/07/31 08:00 | Miguel Semmler v Andrea Arnaboldi | 6-4,5-7,5-7 |
| ITF Spain F20 | 2018/07/25 16:10 | Alberto Romero De Avila Senise v Miguel Semmler | 6-7,6-2,6-3 |
| ITF Spain F20 | 2018/07/23 16:35 | Miguel Semmler v Omar Salman | 6-2,6-4 |
| ITF Spain F19 | 2018/07/18 16:00 | Alvaro Lopez San Martin v Miguel Semmler | 3-6,7-6,7-5 |