Estadio: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF Rumanía F8 | 2018/08/10 09:40 | Miguel Semmler v Dragos Dima | 1-6,3-6 |
| ITF Rumanía F8 | 2018/08/09 07:00 | Miguel Semmler v Dan Alexandru Tomescu | 7-6,6-2 |
| ITF Rumanía F8 | 2018/08/08 07:00 | Miguel Semmler v Matei A Georgescu | 6-0,6-4 |
| Challenger de Segovia | 2018/07/31 08:00 | Miguel Semmler v Andrea Arnaboldi | 6-4,5-7,5-7 |
| ITF España F20 | 2018/07/25 16:10 | Alberto Romero De Avila Senise v Miguel Semmler | 6-7,6-2,6-3 |
| ITF España F20 | 2018/07/23 16:35 | Miguel Semmler v Omar Salman | 6-2,6-4 |
| ITF España F19 | 2018/07/18 16:00 | Alvaro Lopez San Martin v Miguel Semmler | 3-6,7-6,7-5 |
| ITF España F18 | 2018/07/10 15:10 | Miguel Semmler v Pedro Cachin | 2-6,1-6 |