Stadium: Südwestbank 1 Round: 26 Ground: Carpet indoor
| Challenger Andria | 2017/11/21 19:00 | Andrea Pellegrino v Kern, Robin | 6-4,6-4 |
| ITF Finland F4 | 2017/11/16 13:00 | Mohamed Safwat v Kern, Robin | 7-5,4-6,6-4 |
| ITF Finland F4 | 2017/11/15 09:30 | Ivanov, Vladimir v Kern, Robin | 6-3,1-6,3-6 |
| ITF Finland F4 | 2017/11/14 13:20 | Alexey Aleshchev v Kern, Robin | 1-6,1-6 |
| Challenger Eckental | 2017/10/31 13:45 | Kern, Robin v Bolelli, Simone | 6-7,2-6 |
| Challenger Eckental Qual | 2017/10/30 11:20 | Kern, Robin v Sieber, Marc | 6-4,6-2 |
| Challenger Eckental Qual | 2017/10/29 14:30 | Puetz, Tim v Kern, Robin | 3-6,5-7 |
| Challenger Eckental Qual | 2017/10/28 15:25 | Regus, Ralph v Kern, Robin | 4-6,4-6 |
| ITF Germany F1 | 2018/01/09 12:25 | Pauffley, Neil v Simon, Tobias | 3-6,1-6 |
| ITF Thailand F10 | 2017/11/30 03:00 | Simon, Tobias v Rubin Statham | 4-6,3-6 |
| ITF Thailand F10 | 2017/11/29 03:00 | Simon, Tobias v Gojo, Borna | 6-3,6-3 |
| ITF Thailand F10 | 2017/11/27 07:40 | Simon, Tobias v Fallert, Florian | 7-6,4-6,6-4 |
| Challenger Hua Hin | 2017/11/22 07:00 | Max Purcell v Simon, Tobias | 7-6,6-3 |
| Challenger Hua Hin Qual | 2017/11/20 08:30 | Mladenov, Vasko v Simon, Tobias | 5-7,3-6 |
| Challenger Hua Hin Qual | 2017/11/19 05:45 | Davydenko, Philipp v Simon, Tobias | 4-6,3-6 |
| Challenger Hua Hin Qual | 2017/11/18 07:10 | Jirapoomdaje, Pawin v Simon, Tobias | 2-6,0-6 |