Stadium: M Round: 26 Ground: Carpet indoor
| Challenger Izmir | 2017/09/19 08:10 | Robin Kern v Alexander Bublik | 1-6,6-3,4-6 |
| Challenger Izmir Qual | 2017/09/17 09:00 | Robin Kern v Mert Naci Turker | 7-5,6-0 |
| Challenger Izmir Qual | 2017/09/16 08:55 | Robin Kern v Yanki Erel | 6-7,6-1,6-0 |
| Challenger Istanbul | 2017/09/14 08:00 | Matteo Berrettini v Robin Kern | 6-4,6-4 |
| Challenger Istanbul | 2017/09/12 08:55 | Stephane Robert v Robin Kern | 6-7,3-6 |
| Challenger Istanbul Qual | 2017/09/10 08:00 | Michal Konecny v Robin Kern | 6-7,7-6,5-7 |
| Challenger Istanbul Qual | 2017/09/09 10:45 | Sefa Suluoglu v Robin Kern | 1-6,0-6 |
| Challenger Alphen Qual | 2017/09/04 15:00 | Robin Kern v Kevin Krawietz | 5-7,5-7 |
| ITF Italy F30 | 2017/09/18 14:30 | Valentin Guenther v Maxime Chazal | 1-6,1-6 |
| ITF Italy F30 | 2017/09/17 13:00 | Toby Martin v Valentin Guenther | 6-2,6-4 |
| ITF Italy F30 | 2017/09/16 13:00 | Denis Golubev v Valentin Guenther | 2-6,2-6 |
| ITF Italy F29 | 2017/09/13 14:55 | Valentin Guenther v Benjamin Pietri | 4-6,4-6 |
| ITF Italy F29 | 2017/09/12 13:00 | Andrea Basso v Valentin Guenther | 5-7,0-6 |
| ITF Belgium F11 | 2017/09/01 13:30 | Valentin Guenther v Julien Dubail | 4-6,6-2,4-6 |
| ITF Belgium F11 | 2017/08/31 13:50 | Valentin Guenther v Matteo Martineau | 6-4,3-6,7-6 |
| ITF Belgium F11 | 2017/08/29 16:00 | Clement Geens v Valentin Guenther | 5-7,6-7 |