Round: 25 Ground: Clay
| ITF Germany F11 | 2015/08/13 15:00 | Florian Fallert v Julian Onken | 6-4,3-6,6-0 |
| ITF Germany F11 | 2015/08/09 07:30 | Julian Onken v Thomas Wright | 6-4,6-2 |
| ITF Germany F9 | 2015/07/29 15:25 | Julian Onken v Clement Geens | 3-6,1-6 |
| ITF Germany F9 | 2015/07/26 07:30 | Gijs Buntsma v Julian Onken | 3-6,3-6 |
| ITF Germany F8 | 2015/07/22 10:00 | Julian Onken v Jan Choinski | 6-7,2-6 |
| ITF Germany F8 | 2015/07/21 10:30 | Julian Onken v Goncalo Oliveira | 6-4,6-1 |
| ITF Germany F8 Qual | 2015/07/19 08:30 | Julian Onken v Aliaksandr Prudnikau | 6-3,6-3 |
| ITF Germany F7 | 2015/07/15 09:00 | Leon Schutt v Julian Onken | 6-3,6-4 |
| ITF Serbia F8 | 2015/08/14 09:25 | Alessandro Luisi v Francois-Arthur Vibert | 6-1,7-6 |
| ITF Serbia F8 | 2015/08/12 08:00 | Antonio Massara v Francois-Arthur Vibert | 6-7,3-6 |
| ATP Kitzbuhel Qual | 2015/08/01 11:15 | Francois-Arthur Vibert v Pascal Brunner | 0-6,1-6 |
| ITF Austria F6 | 2015/07/29 09:00 | Francois-Arthur Vibert v Tristan-Samuel Weissborn | 6-2,2-6,4-6 |
| ITF Austria F6 | 2015/07/28 13:25 | Francois-Arthur Vibert v Gabriel Schmidt | 6-1,6-4 |
| ITF Serbia F6 | 2015/07/24 16:00 | Juan Pablo Paz v Francois-Arthur Vibert | 6-3,6-3 |
| ITF Serbia F6 | 2015/07/23 16:35 | Francois-Arthur Vibert v Ivan Bjelica | 1-6,7-6,6-1 |
| ITF Serbia F6 | 2015/07/22 07:00 | Strahinja Rakic v Francois-Arthur Vibert | 1-6,6-4,1-6 |