Round: 25 Ground: Clay
| ITF Czech Republic F2 | 2015/05/19 09:00 | Elmar Ejupovic v Johannes Haerteis | 6-4,3-6,4-6 |
| ITF Austria F3 | 2017/07/20 10:00 | Viktor Durasovic v Johannes Haerteis | 4-6,6-4,7-6 |
| ITF Austria F3 | 2017/07/19 08:00 | Christian Oliveira v Johannes Haerteis | 4-6,3-6 |
| ITF Austria F3 | 2017/07/18 08:00 | Johannes Haerteis v Matias Zukas | 6-1,2-6,6-1 |
| ITF Germany F7 | 2017/07/11 09:00 | Adrian Oetzbach v Johannes Haerteis | 7-6,1-6,6-4 |
| ITF Germany F5 | 2017/06/29 10:50 | Antoine Hoang v Johannes Haerteis | 6-3,7-5 |
| ITF Germany F5 | 2017/06/27 09:00 | Johannes Haerteis v Lars Hoischen | 6-1,6-1 |
| ITF Germany F4 | 2017/06/22 15:00 | Milan Drinic v Johannes Haerteis | 6-2,6-1 |
| ITF Czech Republic F2 | 2017/05/27 11:55 | Julian Lenz v Johannes Haerteis | 6-1,6-4 |
| ITF Germany F8 | 2017/07/21 11:00 | Jeremy Jahn v Elmar Ejupovic | 6-1,7-5 |
| ITF Germany F8 | 2017/07/20 12:05 | Elmar Ejupovic v Maxime Chazal | 7-5,6-4 |
| ITF Germany F8 | 2017/07/18 12:00 | Elmar Ejupovic v Pavle Daljev | 6-2,6-2 |
| ITF Germany F8 Qual | 2017/07/17 15:30 | Elmar Ejupovic v Marvin Greven | 6-1,6-4 |
| ITF Germany F8 Qual | 2017/07/16 11:00 | Elmar Ejupovic v Karlo Cubelic | 6-0,6-4 |
| ITF Germany F7 | 2017/07/12 15:00 | Filip Horansky v Elmar Ejupovic | 7-5,6-3 |
| ITF Germany F6 | 2017/07/05 15:55 | Adrian Obert v Elmar Ejupovic | 1-6,7-6,6-1 |
| ITF Germany F5 | 2017/06/27 10:05 | Elmar Ejupovic v Jordi Walder | 6-2,1-6,5-7 |