Round: 54 Ground: Carpet indoor
| ITF Czech Republic F9 | 2017/11/06 11:00 | Peter Heller v Dominik Nazaruk | 3-6,7-5,6-3 |
| ITF Greece F7 | 2017/10/31 11:00 | Peter Heller v Viktor Filipenko | 4-6,3-6 |
| ITF Greece F7 | 2017/10/30 08:00 | Peter Heller v Moritz Dettinger | 4-6,6-4,6-2 |
| ITF Greece F7 | 2017/10/29 09:00 | Peter Heller v Justin Boulais | 6-2,6-3 |
| ITF Greece F7 | 2017/10/28 08:00 | Peter Heller v Maxim Krapivin | 6-4,6-2 |
| ITF Greece F6 | 2017/10/25 07:00 | Peter Heller v Lucas Catarina | 7-6,3-6,2-6 |
| ITF Germany F14 | 2017/10/10 10:00 | Evgeny Karlovskiy v Peter Heller | 6-3,6-3 |
| ITF Germany F12 | 2017/08/25 11:00 | Peter Heller v Matthias Haim | 3-6,1-6 |
| ITF Czech Republic F9 | 2017/11/06 13:00 | Daniel Kopeinigg v Jannis Kahlke | 4-6,2-6 |
| ITF Turkey F39 | 2017/10/16 07:15 | Federico Maccari v Jannis Kahlke | 6-3,6-2 |
| ITF Turkey F39 | 2017/10/15 07:00 | Bogdan Didenko v Jannis Kahlke | 0-6,1-6 |
| ITF Turkey F38 | 2017/10/10 07:30 | Jannis Kahlke v Julien Cagnina | 1-6,3-6 |
| ITF Turkey F38 | 2017/10/09 07:30 | Domagoj Biljesko v Jannis Kahlke | 2-6,6-4,4-6 |
| ITF Turkey F38 | 2017/10/08 07:30 | Arsenije Zlatanovic v Jannis Kahlke | 1-6,0-6 |
| ITF Turkey F38 | 2017/10/07 07:00 | Alexandros Dinopoulos v Jannis Kahlke | 1-6,2-6 |
| ITF Turkey F36 | 2017/09/28 07:30 | Vit Kopriva v Jannis Kahlke | 6-2,6-7,6-3 |