Stadium: Court 2 Round: 27 Ground: Clay
| ITF Turkey F11 | 2017/03/19 07:00 | Cengiz Aksu v Peter Heller | 4-6,0-6 |
| ITF Turkey 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 Germany F4 | 2016/06/23 12:45 | Peter Heller v Kevin Krawietz | 1-6,3-6 |
| ITF Turkey F10 | 2016/03/11 10:20 | Demian Raab v Peter Heller | 1-6,7-5,6-4 |
| ITF Turkey F10 | 2016/03/10 09:25 | Dan Dowson v Peter Heller | 5-7,7-6,3-6 |
| ITF Turkey F10 | 2016/03/09 11:50 | Delf Gohlke v Peter Heller | 0-6,1-6 |
| ITF Israel F3 | 2016/02/26 08:30 | Peter Heller v Julien Dubail | 3-6,6-3,6-7 |
| ITF Turkey F15 | 2017/04/15 07:00 | Matthias Haim v Linus Krohn | 2-6,3-6 |
| ITF Turkey F14 | 2017/04/10 07:30 | Juan Carlos Saez v Matthias Haim | 6-4,6-1 |
| ITF Turkey F14 | 2017/04/09 07:00 | Matthias Haim v Gleb Alekseenko | 3-6,6-4,6-1 |
| ITF Turkey F14 | 2017/04/08 07:00 | Matthias Haim v Burak Bilgin | 6-4,6-1 |
| ITF Austria F2 | 2016/07/13 07:30 | Corentin Denolly v Matthias Haim | 6-2,6-1 |
| ITF Austria F2 | 2016/07/12 08:30 | Christian Seraphim v Matthias Haim | 3-6,6-7 |
| ITF Austria F8 | 2015/08/16 07:30 | Matthias Haim v Sebastian Prechtel | 0-6,0-6 |
| ITF Austria F4 Qual | 2015/07/11 12:30 | Joy Vigani v Matthias Haim | 6-2,6-2 |