| ITF Switzerland F2 | 2015/03/19 12:00 | Florian Fallert v Johannes Haerteis | 6-3,6-4 |
| ITF Switzerland F1 | 2015/03/13 16:00 | Johannes Haerteis v Kirill Dmitriev | 7-6,3-6,0-6 |
| ITF Switzerland F1 | 2015/03/12 16:20 | Yann Marti v Johannes Haerteis | 6-2,3-6,4-6 |
| ITF Switzerland F1 | 2015/03/09 16:20 | Enzo Sommer v Johannes Haerteis | 0-6,4-6 |
| ITF Turkey F3 | 2015/02/27 08:30 | Raphael Baltensperger v Johannes Haerteis | 6-4,6-4 |
| ITF Turkey F7 | 2015/02/14 11:00 | Johannes Haerteis v Nik Razborsek | 5-7,4-6 |
| ITF Turkey F6 | 2015/02/08 11:00 | Johannes Haerteis v David Novotny | 7-6,6-2 |
| ITF Turkey F6 | 2015/02/07 09:00 | Johannes Haerteis v Kazuma Kawachi | 6-1,6-0 |
| ITF Greece F1 | 2015/03/24 12:10 | Robin Stanek v Michal Bisko | 6-3,6-0 |
| ITF Turkey F3 | 2015/02/26 14:55 | Robin Stanek v Tristan-Samuel Weissborn | 6-2,5-7,8-10 |
| ITF Turkey F7 | 2015/02/20 09:00 | Robin Stanek v Marc Sieber | 6-4,4-6,1-6 |
| ITF Turkey F7 | 2015/02/19 10:00 | Robin Stanek v Aleksandre Metreveli | 6-4,6-3 |
| ITF Turkey F7 | 2015/02/18 10:50 | Adrien Bossel v Robin Stanek | 0-6,0-6 |
| ITF Turkey F7 | 2015/02/17 07:30 | Robin Stanek v Daniel Appelgren | 6-2,6-4 |
| ITF Turkey F7 | 2015/02/15 07:00 | Robin Stanek v Goncalo Andrade | 6-2,6-0 |
| ITF Germany F4 | 2015/01/26 13:55 | Robin Stanek v Nils Brinkmann | 4-6,3-6 |