Round: 62 Ground: Carpet indoor
| ITF Germany F13 | 2015/08/29 11:00 | Marc Sieber v Daniel Masur | 3-6,2-6 |
| ITF Germany F13 | 2015/08/28 15:00 | Gerard Granollers-Pujol v Marc Sieber | 4-6,3-6 |
| ITF Germany F13 | 2015/08/27 12:30 | Hannes Wagner v Marc Sieber | 6-4,1-6,1-6 |
| 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 Austria F6 | 2015/07/25 12:30 | Daniel Kopeinigg v Robin Peham | 5-7,6-4,6-3 |
| ITF Germany F6 | 2015/07/07 14:55 | Daniel Masur v Daniel Kopeinigg | 6-3,6-4 |
| ITF Austria F6 | 2014/08/02 12:30 | Daniel Kopeinigg v Robin Peham | 2-6,0-6 |
| ITF Germany F6 | 2014/07/03 13:00 | Cristobal S-Corvalan v Daniel Kopeinigg | 6-4,6-2 |