| ITF Germany F10 Qual | 2015/08/02 10:30 | Robin Lang v Thiago Seyboth Wild | 6-3,6-3 |
| ITF Turkey F16 | 2015/04/23 08:00 | Adrian Sikora v Robin Lang | 6-0,6-0 |
| ITF Turkey F16 | 2015/04/22 09:35 | Robin Lang v Bogdan Didenko | 6-2,6-2 |
| ITF Turkey F15 | 2015/04/12 08:00 | Robin Lang v Luca Keist | 6-2,6-0 |
| ITF Germany F1 | 2015/01/07 11:40 | Robin Lang v Piotr Lomacki | 3-6,4-6 |
| ITF Germany F1 Qual | 2015/01/06 09:00 | Robin Lang v David Novotny | 3-6,6-3,6-4 |
| ITF Germany F13 | 2014/08/20 08:00 | Robin Lang v Maximilian Marterer | 1-6,2-6 |
| ITF Germany F13 | 2014/08/18 10:00 | Dominik Koepfer v Robin Lang | 2-6,6-4,6-7 |
| ITF Italy F27 | 2015/09/15 09:20 | Manfred Fellin v Filippo Leonardi | 0-6,2-6 |
| ITF Italy F26 | 2015/09/08 07:30 | Tobias Simon v Manfred Fellin | 6-1,3-6,6-3 |
| ITF Italy F26 Qual | 2015/09/05 07:30 | Manfred Fellin v Daniel-Andrea R. Redondo | 6-3,3-6,7-6 |
| ITF Austria F5 Qual | 2015/07/18 11:30 | Manfred Fellin v Jeremy Moser | 5-7,6-3,5-7 |