Round: 26 Ground: Clay
| ITF Spain F20 | 2017/07/03 11:20 | Cheruku, Vasisht v Mancineiras Cornella, Oscar | 3-6,5-7 |
| ITF Spain F20 Qual | 2017/07/02 09:40 | Mancineiras Cornella, Oscar v Diaz Argente, Luis | 7-6,6-1 |
| ITF Spain F20 Qual | 2017/07/01 07:30 | Mancineiras Cornella, Oscar v Torre Martin, Inigo | 7-5,6-2 |
| ITF Spain F18 Qual | 2017/06/17 18:30 | Mancineiras Cornella, Oscar v Sergi Perez Contri | 4-6,4-6 |
| ITF Spain F17 | 2017/06/11 16:00 | Vila Antuna, Axel v Mancineiras Cornella, Oscar | 6-2,6-2 |
| ITF Spain F16 | 2017/06/05 10:00 | Mancineiras Cornella, Oscar v Martin de Oliva Carr, Jose Maria | 4-6,2-6 |
| ITF Spain F16 Qual | 2017/06/04 18:15 | Mancineiras Cornella, Oscar v Juarez Caro, Jose | 4-6,6-2,6-4 |
| ITF Spain F16 Qual | 2017/06/03 14:30 | Mancineiras Cornella, Oscar v Daniel, Oz | 6-4,6-1 |
| ITF Spain F20 | 2017/07/04 13:30 | Semmler, Miguel v Irigaray Guarne, Pablo | 6-1,6-3 |
| ITF Romania F4 | 2017/06/24 08:00 | Michiel de Krom v Semmler, Miguel | 2-6,6-1,7-6 |
| ITF Romania F4 | 2017/06/22 10:25 | Melnic, Vladislav v Semmler, Miguel | 6-4,3-6,2-6 |
| ITF Romania F4 | 2017/06/21 07:00 | Maiga, Riccardo v Semmler, Miguel | 4-6,7-5,2-6 |
| ITF Spain F17 | 2017/06/14 14:00 | Semmler, Miguel v Ewan Moore | 4-6,2-6 |
| Tunisia F19, Singles Qualifying | 2017/05/21 09:00 | Semmler, Miguel v Mariano Kestelboim | 2-6,1-6 |
| Tunisia F19, Singles Qualifying | 2017/05/20 09:00 | Goncalo Oliveira v Semmler, Miguel | 4-6,0-6 |
| Tunisia F19, Singles Qualifying | 2017/05/19 11:30 | Diep, Florent v Semmler, Miguel | 3-6,4-6 |