Round: 26 Ground: Clay
| ITF Austria F3 | 2017/07/18 09:15 | Christian Oliveira v Dominic Weidinger | 3-6,7-6,7-6 |
| ITF Austria F3 | 2017/07/16 08:00 | Christian Oliveira v Lorenzo Bocchi | 6-3,6-4 |
| ITF Austria F3 | 2017/07/15 12:30 | Gilbert S K Junior v Christian Oliveira | 3-6,2-6 |
| 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 Czech Republic F2 | 2017/05/26 10:30 | Piotr Matuszewski v Johannes Haerteis | 3-6,1-6 |
| ITF Czech Republic F2 | 2017/05/25 09:00 | Grzegorz Panfil v Johannes Haerteis | 1-6,5-7 |