Stadium: Stärk GaLaBau Court Round: 26 Ground: Clay
| ITF Germany F11 | 2017/08/15 10:30 | Corrado Summaria v Kai Lemstra | 4-6,5-7 |
| ITF Austria F6 | 2017/08/05 10:00 | Kai Lemstra v Paolo Dagnino | 4-6,2-6 |
| ITF Austria F5 | 2017/07/31 08:00 | Alen Rogic-Hadzalic v Kai Lemstra | 1-6,6-0,6-4 |
| ITF Austria F5 | 2017/07/30 08:00 | Bernie Schranz v Kai Lemstra | 0-6,5-7 |
| ITF Austria F5 | 2017/07/29 08:00 | Philip Aplienz v Kai Lemstra | 2-6,1-6 |
| ITF Austria F3 | 2017/07/18 10:20 | Peter Heller v Kai Lemstra | 4-6,6-3,6-3 |
| ITF Austria F3 | 2017/07/16 11:25 | Edward Hubner v Kai Lemstra | 1-6,3-6 |
| ITF Austria F3 | 2017/07/15 13:30 | Neil Oberleitner v Kai Lemstra | 1-6,0-6 |
| ITF Germany F11 | 2017/08/14 11:30 | Jakob Aichhorn v Daniel Kopeinigg | 6-7,7-5,5-7 |
| ITF Slovakia F3 | 2017/08/06 07:00 | Michal Marko v Daniel Kopeinigg | 6-4,6-4 |
| ITF Austria F5 | 2017/07/30 08:00 | Alen Rogic-Hadzalic v Daniel Kopeinigg | 3-6,6-4,7-5 |
| ITF Slovakia F1 | 2017/07/24 08:00 | David Damian Brna v Daniel Kopeinigg | 6-4,6-1 |
| ITF Slovakia F1 | 2017/07/23 08:00 | Roberto Rosales v Daniel Kopeinigg | 3-6,6-7 |
| ITF Slovakia F1 | 2017/07/22 08:00 | Marton Szappanos v Daniel Kopeinigg | 5-7,2-6 |
| ITF Austria F3 | 2017/07/16 12:50 | Darko Bojanovic v Daniel Kopeinigg | 0-6,7-6,7-6 |
| ITF Austria F3 | 2017/07/16 08:00 | Daniel Kopeinigg v Igor Saveljic | 6-4,7-6 |