Round: 25 Ground: Carpet indoor
| Challenger Bangkok | 2017/01/03 08:00 | Yuichi Sugita v Nils Langer | 7-6,5-7,6-0 |
| Challenger Bangkok Qual | 2017/01/02 03:00 | Daniel Altmaier v Nils Langer | 6-7,6-3,1-6 |
| Challenger Bangkok Qual | 2017/01/01 05:10 | Nils Langer v Kevin Krawietz | 6-3,6-0 |
| Challenger Bangkok Qual | 2016/12/31 06:00 | Nils Langer v Cem Ilkel | 6-3,7-5 |
| Challenger Stockton Qual | 2016/10/01 20:55 | Philip Bester v Nils Langer | 6-3,7-6 |
| Challenger Kenitra | 2016/09/20 09:30 | Federico Coria v Nils Langer | 6-1,6-4 |
| Challenger Meknes | 2016/09/14 10:00 | Yannik Reuter v Nils Langer | 4-6,4-6 |
| Challenger Meknes | 2016/09/14 09:50 | Yannick Reuter v Nils Langer | 4-6,4-6 |
| Challenger Happy Valley | 2017/01/05 03:40 | Joris De Loore v Matthias Bachinger | 6-2,6-4 |
| Challenger Happy Valley | 2017/01/03 06:15 | Matthias Bachinger v Joao Souza | 6-7,6-4,6-3 |
| Challenger Ortisei Qual | 2016/11/05 14:50 | Matthias Bachinger v Ilija Vucic | 2-6,3-6 |
| Challenger Eckental | 2016/11/04 12:25 | Steve Darcis v Matthias Bachinger | 6-4,6-2 |
| Challenger Eckental | 2016/11/02 11:45 | Mohamed Safwat v Matthias Bachinger | 4-6,0-6 |
| Challenger Eckental | 2016/11/01 11:20 | Matthias Bachinger v Andrej Martin | 6-3,6-4 |
| Challenger Budapest Qual | 2016/10/24 09:00 | Ante Pavic v Matthias Bachinger | 7-5,7-6 |
| Challenger Budapest Qual | 2016/10/23 09:00 | Matthias Bachinger v Alexey Vatutin | 6-3,6-3 |