| 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 Portugal F12 Qual | 2015/09/28 11:00 | Kento Yamada v Patrick Mayer | 6-2,6-2 |
| ITF Portugal F12 Qual | 2015/09/27 11:30 | Patrick Mayer v Miguel Semedo | 6-2,6-2 |
| ITF Portugal F12 Qual | 2015/09/26 09:00 | Henrique W Osorio v Patrick Mayer | 1-6,2-6 |
| ITF Spain F29 Qual | 2015/09/13 13:45 | Abdullah Maqdes v Patrick Mayer | 6-4,6-3 |
| ITF Serbia F8 Qual | 2015/08/10 08:00 | Plamen Milushev v Patrick Mayer | 6-2,7-5 |
| ITF Serbia F8 Qual | 2015/08/08 07:00 | Aleksa Daskalovic v Patrick Mayer | 1-6,1-6 |
| ITF Germany F8 Qual | 2015/07/19 07:30 | Patrick Mayer v Christophe Nickels | 6-3,5-7,6-3 |
| ITF USA F32 Qual | 2014/11/16 17:30 | Patrick Mayer v Ryan Peniston | 6-3,1-6,3-6 |