Round: 25 Ground: Clay
| 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 |
| Tunisia F19, Singles Qualifying | 2017/05/18 10:50 | Cunha-Silva, Felipe v Semmler, Miguel | 2-6,7-6,3-6 |
| ITF Italy F19 | 2017/07/01 14:30 | Marti, Javier v Hampel, Lenny | 6-2,7-5 |
| ITF Italy F19 | 2017/06/30 14:10 | Marti, Javier v Virgili, Adelchi | 6-3,6-0 |
| ITF Italy F19 | 2017/06/29 15:15 | Giovanni Oradini v Marti, Javier | 3-6,5-7 |
| ITF Italy F19 | 2017/06/28 07:15 | Sude, Jakob v Marti, Javier | 1-6,6-4,2-6 |
| ITF Italy F19 | 2017/06/27 09:00 | Ramazzoti, Samuele v Marti, Javier | 2-6,2-6 |
| ITF Italy F18 | 2017/06/24 15:30 | Rondoni, Pietro v Marti, Javier | 6-3,3-6,6-3 |
| ITF Italy F18 | 2017/06/23 13:00 | Marti, Javier v Adrian Bodmer | 6-1,6-2 |
| ITF Italy F18 | 2017/06/22 12:10 | Marti, Javier v Della Tommasina, Davide | 7-5,6-1 |