Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF Spain F11 | 2016/04/27 12:35 | Vega Hernandez, David v Semmler, Miguel | 7-6,7-5 |
| Spain F4, Singles Qualifying | 2016/02/16 11:30 | Vega Hernandez, David v Semmler, Miguel | 6-1,7-6 |
| ITF Portugal F3 | 2018/03/10 14:25 | Semmler, Miguel v Antoine Walch | 6-4,6-4 |
| ITF Portugal F3 | 2018/03/08 13:30 | Semmler, Miguel v Bothwell, Peter | 6-7,6-0,7-5 |
| ITF Tunisia F7 | 2018/02/21 09:00 | Semmler, Miguel v Krawietz, Kevin | 4-6,2-6 |
| ITF Spain F5 | 2018/02/15 10:00 | Semmler, Miguel v Ivan Gakhov | 6-1,2-6,3-6 |
| ITF Spain F5 | 2018/02/13 13:00 | Andreu Garcia, Francisco v Semmler, Miguel | 4-6,1-6 |
| ITF USA F5 | 2018/01/24 15:00 | Alejandro Tabilo v Semmler, Miguel | 6-4,2-6,6-1 |
| ITF USA F4 | 2018/01/17 17:10 | van Rijthoven, Tim v Semmler, Miguel | 6-1,6-4 |
| ITF USA F3 | 2018/01/12 16:00 | Semmler, Miguel v Gil, Fred | 3-6,5-7 |
| ITF Portugal F3 | 2018/03/10 14:55 | Vega Hernandez, David v Petr Michnev | 2-6,6-3,6-4 |
| ITF Portugal F3 | 2018/03/08 20:00 | Tashi, Vullnet v Vega Hernandez, David | 1-6,6-7 |
| ITF Portugal F2 | 2018/03/04 14:30 | Ortega-Olmedo, Roberto v Vega Hernandez, David | 6-1,6-4 |
| ITF Portugal F2 | 2018/03/03 14:30 | Vega Hernandez, David v Antoine Escoffier | 7-5,1-6,11-9 |
| ITF Portugal F2 | 2018/02/28 15:30 | Vega Hernandez, David v Hernando Ruano, Jorge | 6-1,6-2 |
| ITF Spain F5 | 2018/02/16 12:30 | Zekic, Miljan v Vega Hernandez, David | 6-2,6-2 |
| ITF Spain F5 | 2018/02/15 11:15 | Andrey Chepelev v Vega Hernandez, David | 2-6,4-6 |
| ITF Spain F5 | 2018/02/14 10:55 | Vega Hernandez, David v Vilella Martinez, Mario | 7-6,2-6,7-5 |