| Challenger Heilbronn Qual | 2017/05/13 11:00 | Robin Kern v Yannik Reuter | 6-7,1-6 |
| ITF Hungary F1 | 2017/05/11 08:00 | Ljubomir Celebic v Robin Kern | 6-4,6-4 |
| ITF Hungary F1 | 2017/05/09 09:30 | Peter Heller v Robin Kern | 6-7,3-6 |
| ITF France F7 | 2017/03/22 10:00 | Gregoire Jacq v Robin Kern | 7-6,6-3 |
| ITF Switzerland F1 | 2017/02/09 16:00 | Robin Kern v Elmar Ejupovic | 6-2,6-4 |
| ITF Switzerland F1 | 2017/02/08 14:05 | Julian Ocleppo v Robin Kern | 4-6,3-6 |
| ITF Germany F3 | 2017/01/27 18:00 | Mats Moraing v Robin Kern | 6-4,6-2 |
| ITF Germany F3 | 2017/01/26 13:50 | Robin Kern v Eduardo Struvay | 7-6,7-5 |
| ITF Czech Republic F2 | 2017/05/24 09:00 | Johannes Haerteis v Niels Lootsma | 6-3,6-1 |
| ITF France F10 | 2017/05/02 08:30 | Niels Lootsma v Jurgen Zopp | 6-4,1-6,5-7 |
| ITF Italy F4 | 2017/03/16 14:00 | Niels Lootsma v Petr Michnev | 6-3,3-6,4-6 |
| ITF Italy F4 | 2017/03/13 16:20 | Niels Lootsma v Antonio Massara | 6-4,6-3 |
| ITF Italy F3 | 2017/03/07 10:00 | Niels Lootsma v Antal Van Der Duim | 6-3,4-6,6-7 |
| ITF France F4 | 2017/03/03 14:45 | Yannick Hanfmann v Niels Lootsma | 6-4,6-4 |
| ITF France F4 | 2017/03/01 14:00 | Niels Lootsma v Alexey Vatutin | 6-2,6-2 |
| ATP Rotterdam Qual | 2017/02/11 11:30 | Niels Lootsma v Aljaz Bedene | 3-6,3-6 |