Ground: Carpet indoor
| ITF Switzerland F1 Qual | 2015/03/08 13:25 | Sommer, Enzo v Giacomelli, Luca | 4-6,6-2,6-4 |
| ITF Germany F4 | 2015/01/25 14:00 | Stanek, Robin v Sommer, Enzo | 6-3,6-3 |
| ITF Germany F4 | 2015/01/25 08:00 | Sommer, Enzo v Grund, Gil Uwe | 6-3,6-4 |
| ITF France F22 Qual | 2014/10/06 09:25 | Arends, Sander v Sommer, Enzo | 6-3,6-4 |
| ITF Switzerland F5 Qual | 2014/08/24 09:20 | Voljacques, Hugo v Sommer, Enzo | 6-3,3-6,6-2 |
| ITF Switzerland F1 | 2014/03/20 16:00 | Burquier, Gregoire v Sommer, Enzo | 6-3,6-2 |
| ITF Turkey F3 | 2015/02/27 08:30 | Baltensperger, Raphael v Haerteis, Johannes | 6-4,6-4 |
| ITF Turkey F7 | 2015/02/14 11:00 | Haerteis, Johannes v Nik Razborsek | 5-7,4-6 |
| Turkey F6, Singles Qualifying | 2015/02/08 11:00 | Haerteis, Johannes v Novotny, David | 7-6,6-2 |
| Turkey F6, Singles Qualifying | 2015/02/07 09:00 | Haerteis, Johannes v Kazuma Kawachi | 6-1,6-0 |
| ITF Germany F4 | 2015/01/30 12:00 | Bemelmans, Ruben v Haerteis, Johannes | 6-2,6-3 |
| ITF Germany F4 | 2015/01/29 10:00 | Haerteis, Johannes v Kern, Robin | 7-6,6-4 |
| ITF Germany F3 | 2015/01/20 12:00 | Wunner, Matthias v Haerteis, Johannes | 6-4,6-2 |
| ITF Germany F2 | 2015/01/15 11:20 | Maximilian Marterer v Haerteis, Johannes | 6-2,6-1 |