Stadium: Court 1 Round: 26 Ground: Clay
| ITF Spain F20 | 2018/07/23 15:30 | Sergi Perez Contri v Romero de Avila Senise, Alberto | 2-6,4-6 |
| ITF Spain F19 | 2018/07/16 16:00 | Mikhail Korovin v Romero de Avila Senise, Alberto | 7-6,6-3 |
| ITF Spain F18 | 2018/07/13 10:45 | Javier Barranco Cosano v Romero de Avila Senise, Alberto | 4-6,6-1,6-2 |
| ITF Spain F18 | 2018/07/12 12:00 | Romero de Avila Senise, Alberto v Raul Brancaccio | 6-4,7-6 |
| ITF Spain F18 | 2018/07/09 08:00 | Guell Bartrina, Eduard v Romero de Avila Senise, Alberto | 6-4,1-6,2-6 |
| ITF Spain F17 | 2018/07/03 13:00 | Diaz Freire, Gabriel v Romero de Avila Senise, Alberto | 6-1,7-6 |
| ITF France F10 | 2018/06/22 16:00 | Reboul, Fabien v Romero de Avila Senise, Alberto | 2-6,6-3,6-2 |
| ITF France F10 | 2018/06/20 11:15 | Romero de Avila Senise, Alberto v Benjamin Pietri | 7-6,6-0 |
| ITF Spain F20 | 2018/07/23 16:35 | Semmler, Miguel v Salman, Omar | 6-2,6-4 |
| ITF Spain F19 | 2018/07/18 16:00 | Lopez San Martin, Alvaro v Semmler, Miguel | 3-6,7-6,7-5 |
| ITF Spain F18 | 2018/07/10 15:10 | Semmler, Miguel v Pedro Cachin | 2-6,1-6 |
| ITF France F10 | 2018/06/19 13:10 | Semmler, Miguel v Matteo Martineau | 4-6,4-6 |
| ATP Madrid Qual | 2018/05/05 09:00 | Delbonis, Federico v Semmler, Miguel | 6-4,6-1 |
| ITF Spain F10 | 2018/04/24 11:00 | Pedro Cachin v Semmler, Miguel | 6-1,6-4 |
| ITF Spain F9 | 2018/04/19 12:20 | Raul Brancaccio v Semmler, Miguel | 6-3,6-1 |
| ITF Spain F9 | 2018/04/17 09:50 | Semmler, Miguel v Nikolas Sanchez Izquierdo | 6-4,7-6 |