Estádio: Court 1 Round: 26 Ground: Clay
| ITF - Roménia F8 | 2018/08/08 07:00 | Miguel Semmler v Matei A Georgescu | 6-0,6-4 |
| Challenger - Segóvia | 2018/07/31 08:00 | Miguel Semmler v Andrea Arnaboldi | 6-4,5-7,5-7 |
| ITF - Espanha F20 | 2018/07/25 16:10 | Alberto Romero De Avila Senise v Miguel Semmler | 6-7,6-2,6-3 |
| ITF - Espanha F20 | 2018/07/23 16:35 | Miguel Semmler v Omar Salman | 6-2,6-4 |
| ITF - Espanha F19 | 2018/07/18 16:00 | Alvaro Lopez San Martin v Miguel Semmler | 3-6,7-6,7-5 |
| ITF - Espanha F18 | 2018/07/10 15:10 | Miguel Semmler v Pedro Cachin | 2-6,1-6 |
| ITF - França F10 | 2018/06/19 13:10 | Miguel Semmler v Matteo Martineau | 4-6,4-6 |
| ATP - Madrid - Qualificação | 2018/05/05 09:00 | Federico Delbonis v Miguel Semmler | 6-4,6-1 |
| ITF - Roménia F8 | 2018/08/08 07:00 | Stefan Palosi v Dan Alexandru Tomescu | 4-6,0-6 |
| ITF - Roménia F8 | 2018/08/06 10:30 | Dan Alexandru Tomescu v Robert Damian Savin | 6-1,6-1 |
| ITF - Roménia F8 | 2018/08/06 06:00 | Dan Alexandru Tomescu v Stratton Gilmore | 7-5,6-2 |
| ITF - Roménia F8 | 2018/08/05 06:00 | Dan Alexandru Tomescu v Alexandru Cristian Bodnariuk | 6-1,6-4 |
| ITF - Bélgica F5 | 2018/07/23 10:00 | Maxime Pauwels v Dan Alexandru Tomescu | 6-2,6-4 |
| ITF - Bélgica F4 | 2018/07/17 10:00 | Dan Alexandru Tomescu v Simon Beaupain | 4-6,4-6 |
| ITF - Bélgica F4 | 2018/07/15 08:30 | Dan Alexandru Tomescu v Maxence Bertimon | 3-6,2-6 |
| ITF - Bélgica F4 | 2018/07/14 10:00 | Dan Alexandru Tomescu v Thibault De Negri | 6-1,6-7,6-1 |