Round: 28 Ground: Clay
| ITF Germany F12 | 2015/08/21 11:00 | Marti, Javier v Haerteis, Johannes | 6-2,6-4 |
| ITF Germany F12 | 2015/08/19 15:25 | Marti, Javier v Waite, Richard | 6-3,6-0 |
| ITF Italy F22 | 2015/08/11 15:40 | Reuter, Yannik v Marti, Javier | 6-3,6-4 |
| Challenger Cortina | 2015/08/03 15:10 | Marti, Javier v Federico Gaio | 3-6,6-4,4-6 |
| ITF Italy F20 | 2015/07/29 17:05 | Stefanos Tsitsipas v Marti, Javier | 6-4,6-1 |
| ITF Italy F20 | 2015/07/28 16:00 | Bahamonde, Francisco v Marti, Javier | 3-6,6-4,5-7 |
| Challenger Tampere | 2015/07/21 09:25 | Marti, Javier v Satral, Jan | 3-6,2-6 |
| ITF Germany F7 | 2015/07/14 12:40 | Lenz, Julian v Marti, Javier | 7-6,6-3 |
| ITF Germany F12 | 2015/08/21 11:00 | Karim-Mohamed Maamoun v Wagner, Hannes | 0-6,1-6 |
| ITF Germany F12 | 2015/08/20 10:00 | Obert, Adrian v Wagner, Hannes | 1-6,7-6,5-7 |
| ITF Germany F11 | 2015/08/12 11:00 | Meis, Pascal v Wagner, Hannes | 3-6,7-6,6-4 |
| Germany F8, Singles | 2015/07/23 11:00 | Neuchrist, Maximilian v Wagner, Hannes | 6-1,6-4 |
| Germany F8, Singles | 2015/07/22 10:00 | Benjamin Hassan v Wagner, Hannes | 4-6,1-6 |
| Germany F8, Singles | 2015/07/21 13:00 | Wagner, Hannes v Federico Coria | 7-6,6-3 |
| ITF Austria F3 | 2015/07/06 14:20 | Wagner, Hannes v Fornell-Mestres, Marc | 6-4,6-7,3-6 |
| ITF Austria F3 | 2015/07/05 08:00 | Goncalo Oliveira v Wagner, Hannes | 3-6,1-6 |