Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Spain F3 | 2017/01/31 09:00 | Pedro Cachin v Miguel Semmler | 6-3,6-0 |
| ITF Spain F32 | 2016/09/28 15:30 | Miguel Semmler v Pedro Cachin | 1-6,0-6 |
| ITF Tunisia F7 | 2018/02/21 09:00 | Miguel Semmler v Kevin Krawietz | 4-6,2-6 |
| ITF Spain F5 | 2018/02/15 10:00 | Miguel Semmler v Ivan Gakhov | 6-1,2-6,3-6 |
| ITF Spain F5 | 2018/02/13 13:00 | Francisco Andreu Garcia v Miguel Semmler | 4-6,1-6 |
| ITF USA F5 | 2018/01/24 15:00 | Alejandro Tabilo v Miguel Semmler | 6-4,2-6,6-1 |
| ITF USA F4 | 2018/01/17 17:10 | Tim Van Rijthoven v Miguel Semmler | 6-1,6-4 |
| ITF USA F3 | 2018/01/12 16:00 | Miguel Semmler v Fred Gil | 3-6,5-7 |
| ITF USA F3 | 2018/01/11 17:35 | Miguel Semmler v Elliott Orkin | 6-0,6-3 |
| ITF USA F3 | 2018/01/10 20:25 | Miguel Semmler v Samuel Shropshire | 6-4,6-3 |
| ATP Sao Paulo Qual | 2018/02/25 14:00 | Sebastian Ofner v Pedro Cachin | 4-6,6-2,6-4 |
| ATP Buenos Aires | 2018/02/12 20:25 | Thomaz Bellucci v Pedro Cachin | 6-2,6-1 |
| ITF Germany F2 | 2018/01/26 10:30 | Sadio Doumbia v Pedro Cachin | 4-6,6-3,6-1 |
| ITF Germany F2 | 2018/01/25 10:00 | Jan Mertl v Pedro Cachin | 6-4,4-6,5-7 |
| ITF Germany F2 | 2018/01/23 15:35 | Kai Lemstra v Pedro Cachin | 3-6,3-6 |
| Challenger Koblenz Qual | 2018/01/15 15:50 | Pedro Cachin v Mikael Ymer | 6-3,5-7,1-6 |
| Challenger Koblenz Qual | 2018/01/15 11:05 | Pedro Cachin v Vadym Ursu | 3-6,6-3,6-3 |
| Challenger Koblenz Qual | 2018/01/14 12:25 | Pedro Cachin v Julian Lenz | 6-1,6-3 |