Round: 25 Ground: Hardcourt indoor
| ITF Germany F12 | 2017/08/23 09:30 | Torebko, Peter v Haerteis, Johannes | 7-6,6-3 |
| ITF Germany F10 | 2017/08/08 09:00 | Haerteis, Johannes v Boehler, Dominik | 6-4,4-6,2-6 |
| ITF Germany F9 | 2017/08/01 10:50 | Haerteis, Johannes v Elmar Ejupovic | 6-7,3-6 |
| ITF Austria F3 | 2017/07/20 10:00 | Viktor Durasovic v Haerteis, Johannes | 4-6,6-4,7-6 |
| ITF Austria F3 | 2017/07/19 08:00 | Oliveira, Cristian v Haerteis, Johannes | 4-6,3-6 |
| ITF Austria F3 | 2017/07/18 08:00 | Haerteis, Johannes v Zukas, Matias | 6-1,2-6,6-1 |
| ITF Germany F7 | 2017/07/11 09:00 | Adrian Oetzbach v Haerteis, Johannes | 7-6,1-6,6-4 |
| ITF Germany F5 | 2017/06/29 10:50 | Antoine Hoang v Haerteis, Johannes | 6-3,7-5 |
| ITF Belgium F9 | 2017/08/17 10:00 | Authom, Maxime v Desein, Niels | 3-6,1-6 |
| ITF Belgium F9 | 2017/08/15 15:25 | Authom, Maxime v Alexis Boureau | 6-4,6-3 |
| Challenger Mestre | 2017/05/23 08:00 | Authom, Maxime v Bega, Alessandro | 6-3,1-6,1-6 |
| Challenger Bordeaux Qual | 2017/05/14 09:00 | Benjamin Bonzi v Authom, Maxime | 7-5,6-1 |
| Challenger Bordeaux Qual | 2017/05/13 12:35 | Authom, Maxime v Ghem, Andre | 6-4,5-7,7-6 |
| ITF Spain F12 | 2017/05/05 09:00 | Jason Kubler v Authom, Maxime | 4-6,6-2,6-4 |
| ITF Spain F12 | 2017/05/03 08:30 | Marcelo Zormann v Authom, Maxime | 4-6,1-6 |
| ITF Spain F12 | 2017/05/02 10:50 | Serret Agelet de Saracibar, Alejandro v Authom, Maxime | 4-6,0-6 |