| ITF Turchia F11 | 2017/03/19 07:00 | Cengiz Aksu v Peter Heller | 4-6,0-6 |
| ITF Turchia F11 | 2017/03/18 07:00 | Dmitry Mnushkin v Peter Heller | 0-6,0-6 |
| Challenger Marburg - Qual. | 2016/06/26 08:00 | Peter Heller v Sergey Betov | 6-3,3-6,3-6 |
| ITF Germania F4 | 2016/06/23 12:45 | Peter Heller v Kevin Krawietz | 1-6,3-6 |
| ITF Turchia F10 | 2016/03/11 10:20 | Demian Raab v Peter Heller | 1-6,7-5,6-4 |
| ITF Turchia F10 | 2016/03/10 09:25 | Dan Dowson v Peter Heller | 5-7,7-6,3-6 |
| ITF Turchia F10 | 2016/03/09 11:50 | Delf Gohlke v Peter Heller | 0-6,1-6 |
| ITF Israele F3 | 2016/02/26 08:30 | Peter Heller v Julien Dubail | 3-6,6-3,6-7 |
| ITF Francia F7 | 2017/03/22 10:00 | Gregoire Jacq v Robin Kern | 7-6,6-3 |
| ITF Svizzera F1 | 2017/02/09 16:00 | Robin Kern v Elmar Ejupovic | 6-2,6-4 |
| ITF Svizzera F1 | 2017/02/08 14:05 | Julian Ocleppo v Robin Kern | 4-6,3-6 |
| ITF Germania F3 | 2017/01/27 18:00 | Mats Moraing v Robin Kern | 6-4,6-2 |
| ITF Germania F3 | 2017/01/26 13:50 | Robin Kern v Eduardo Struvay | 7-6,7-5 |
| ITF Germania F3 | 2017/01/25 13:30 | Nils Langer v Robin Kern | 2-6,4-6 |
| ITF Repubblica Ceca F10 | 2016/11/21 09:30 | Robin Kern v Adam Chadaj | 4-6,0-6 |
| ITF Germania F17 | 2016/11/04 15:05 | Yannik Reuter v Robin Kern | 6-4,6-1 |