Stadium: Center Court Round: 26 Ground: Hardcourt indoor
| Challenger Meerbusch | 2017/08/15 17:00 | Dustin Brown v Marc Sieber | 2-6,2-6 |
| Challenger Ortisei | 2017/10/10 10:30 | Igor Sijsling v Marc Sieber | 1-6,4-6 |
| Challenger Ortisei Qual | 2017/10/09 08:00 | Edan Leshem v Marc Sieber | 3-6,4-6 |
| Challenger Ortisei Qual | 2017/10/08 08:00 | Fran Zvonimir Zgombic v Marc Sieber | 7-5,0-6,4-6 |
| Challenger Ortisei Qual | 2017/10/07 08:00 | Michal Konecny v Marc Sieber | 3-6,6-7 |
| Challenger Izmir | 2017/09/19 07:00 | Marc Sieber v Lucas Miedler | 6-3,4-6,2-6 |
| Challenger Izmir Qual | 2017/09/17 10:40 | Marc Sieber v Sefa Suluoglu | 6-0,6-3 |
| Challenger Izmir Qual | 2017/09/16 09:20 | Marc Sieber v Koray Kirci | 6-4,6-2 |
| Challenger Istanbul | 2017/09/12 08:55 | Malek Jaziri v Marc Sieber | 6-2,7-6 |
| Challenger Ortisei | 2017/10/11 16:25 | Edan Leshem v Dustin Brown | 3-6,5-7 |
| Challenger Orleans | 2017/09/25 17:05 | Dustin Brown v Norbert Gombos | 3-6,6-7 |
| ATP Metz | 2017/09/20 12:00 | Dustin Brown v Nicolas Mahut | 1-6,6-7 |
| Challenger Szczecin | 2017/09/15 12:20 | Jurgen Zopp v Dustin Brown | 6-2,4-6,6-4 |
| Challenger Szczecin | 2017/09/14 14:00 | Dustin Brown v Artem Smirnov | 7-6,4-6,7-6 |
| Challenger Szczecin | 2017/09/12 13:30 | Aliaksandr Bury v Dustin Brown | 3-6,4-6 |
| Challenger Genova | 2017/09/07 19:15 | Dustin Brown v Stefano Napolitano | 4-6,2-6 |
| Challenger Genova | 2017/09/05 19:15 | Dustin Brown v Riccardo Bonadio | 7-5,6-2 |