Round: 25 Ground: Clay
| ATP Lyon Qual | 2017/05/20 14:00 | Kyle Edmund v Nils Langer | 6-3,7-5 |
| ITF Italy F12 | 2017/05/13 13:00 | Juan Pablo Ficovich v Nils Langer | 6-4,6-0 |
| ITF Italy F12 | 2017/05/12 13:00 | Tobias Simon v Nils Langer | 6-4,3-6,5-7 |
| ITF Italy F12 | 2017/05/11 13:20 | Giovanni Fonio v Nils Langer | 4-6,5-7 |
| ITF Italy F12 | 2017/05/10 10:00 | Vasile Antonescu v Nils Langer | 2-6,6-2,3-6 |
| ITF France F10 | 2017/05/04 09:45 | Nils Langer v Louis Tessa | 7-5,6-2 |
| ITF France F10 | 2017/05/02 15:50 | Nils Langer v Alen Avidzba | 6-7,6-4,6-2 |
| Challenger Leon Qual | 2017/03/28 22:50 | Adrian Menendez-Maceiras v Nils Langer | 6-1,7-6 |
| ATP Lyon Qual | 2017/05/20 15:55 | Nicolas Kicker v Alexander Lazov | 6-3,6-4 |
| Challenger Heilbronn Qual | 2017/05/14 10:30 | Alexander Lazov v Yannik Reuter | 3-6,3-6 |
| Challenger Heilbronn Qual | 2017/05/13 12:10 | Alexander Lazov v Tomasz Bednarek | 6-3,6-1 |
| ITF Turkey F17 | 2017/05/04 07:00 | Vadim Alekseenko v Alexander Lazov | 1-6,6-7 |
| ITF Turkey F17 | 2017/05/02 10:00 | Thomas Statzberger v Alexander Lazov | 2-6,3-6 |
| ITF Turkey F16 | 2017/04/29 07:30 | Marsel Ilhan v Alexander Lazov | 6-3,6-7,7-5 |
| ITF Turkey F16 | 2017/04/28 08:00 | Alexander Lazov v Roman Safiullin | 6-2,6-0 |
| ITF Turkey F16 | 2017/04/27 07:00 | Alexander Lazov v Tomislav Jotovski | 6-3,6-3 |