Round: 26 Ground: Clay
| ITF Germany F13 | 2015/08/25 12:50 | Stefan Fiacan v Hannes Wagner | 3-6,4-6 |
| ITF Germany F12 | 2015/08/22 11:00 | Javier Marti v Hannes Wagner | 6-4,6-4 |
| ITF Germany F12 | 2015/08/21 11:00 | Karim-Mohamed Maamoun v Hannes Wagner | 0-6,1-6 |
| ITF Germany F12 | 2015/08/20 10:00 | Adrian Obert v Hannes Wagner | 1-6,7-6,5-7 |
| ITF Germany F11 | 2015/08/12 11:00 | Pascal Meis v Hannes Wagner | 3-6,7-6,6-4 |
| ITF Germany F8 | 2015/07/23 11:00 | Maximilian Neuchrist v Hannes Wagner | 6-1,6-4 |
| ITF Germany F8 | 2015/07/22 10:00 | Benjamin Hassan v Hannes Wagner | 4-6,1-6 |
| ITF Germany F8 | 2015/07/21 13:00 | Hannes Wagner v Federico Coria | 7-6,6-3 |
| ITF Germany F13 | 2015/08/25 11:25 | Jonas Trinker v Marc Sieber | 3-6,3-6 |
| ITF Turkey F18 | 2015/05/07 07:00 | Marc Sieber v Peter Heller | 5-7,3-6 |
| ITF Turkey F18 | 2015/05/06 10:20 | Shunsuke Wakita v Marc Sieber | 2-6,2-6 |
| ITF Turkey F12 | 2015/03/26 09:30 | Marc Sieber v Ricardo Rodriguez-Pace | 4-6,3-6 |
| ITF Turkey F12 | 2015/03/25 13:00 | Daniiar Duldaev v Marc Sieber | 1-6,1-6 |
| ITF Turkey F11 | 2015/03/22 08:00 | Marc Sieber v Ricardo Rodriguez-Pace | 3-6,0-6 |
| ITF Turkey F11 | 2015/03/21 08:00 | Marc Sieber v Dimitar Kuzmanov | 2-6,6-4,6-0 |
| ITF Turkey F11 | 2015/03/20 09:50 | Tristan-Samuel Weissborn v Marc Sieber | 2-6,3-6 |