Stadium: Centre Court Round: 54
| Challenger Eckental Qual | 2017/10/28 09:00 | Evan Furness v Johannes Haerteis | 3-6,7-6,7-6 |
| ITF Czech Republic F7 | 2017/10/25 08:00 | Danylo Kalenichenko v Johannes Haerteis | 6-4,6-2 |
| ITF Germany F15 | 2017/10/16 10:00 | Johannes Haerteis v Robert Carter | 7-6,1-6,0-6 |
| ITF Germany F15 | 2017/10/16 10:00 | Johannes Haerteis v Ingo Herzgerodt | 6-4,6-3 |
| ITF Germany F14 | 2017/10/11 16:00 | Daniel Masur v Johannes Haerteis | 7-6,6-3 |
| ITF Germany F14 | 2017/10/09 10:00 | Johannes Haerteis v Sven Lemstra | 6-3,6-1 |
| ITF Germany F14 | 2017/10/08 11:30 | Johannes Haerteis v Jakob Cadonau | 6-1,6-2 |
| ITF France F19 | 2017/09/13 08:00 | Johannes Haerteis v Maxime Authom | 4-6,4-6 |
| ITF Thailand F11 | 2017/12/09 03:30 | Frederik Nielsen v Renta Tokuda | 2-6,4-6 |
| ITF Thailand F11 | 2017/12/08 03:00 | Frederik Nielsen v Cheong-Eui Kim | 6-4,6-4 |
| ITF Thailand F11 | 2017/12/07 04:45 | Martins Podzus v Frederik Nielsen | 6-3,4-6,3-6 |
| ITF Thailand F11 | 2017/12/06 06:10 | Frederik Nielsen v Zsombor Piros | 7-5,4-6,6-2 |
| ITF Thailand F11 | 2017/12/05 03:30 | Frederik Nielsen v Ryota Tanuma | 7-6,7-5 |
| ITF Thailand F10 | 2017/12/01 04:30 | Frederik Nielsen v Rubin Statham | 6-7,4-6 |
| ITF Thailand F10 | 2017/11/30 03:00 | Daniiar Duldaev v Frederik Nielsen | 3-6,6-4,4-6 |
| ITF Thailand F10 | 2017/11/29 04:35 | Frederik Nielsen v Yan Bai | 7-6,6-3 |