Stadium: Centre Court Round: 54 Ground: Clay
| ITF Germany F12 | 2017/08/20 08:00 | Kai Lemstra v Anton Chekhov | 6-2,2-6,6-1 |
| ITF Germany F11 | 2017/08/17 13:45 | Kai Lemstra v Daniel Kopeinigg | 6-7,2-6 |
| 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 F4 Qual | 2017/07/22 10:00 | Alexander Weis v Robin Peham | 7-5,4-6,6-4 |
| ITF Austria F3 | 2017/07/15 07:00 | Gabriel Schmidt v Robin Peham | 6-0,6-3 |
| ITF Austria F2 | 2017/07/09 13:20 | Robin Peham v Yvo Panak | 2-6,1-6 |
| ITF Austria F2 | 2017/07/09 07:00 | Vital Flurin Leuch v Robin Peham | 2-6,2-6 |
| ITF Austria F1 | 2017/07/04 08:30 | Adrian Bodmer v Robin Peham | 6-3,6-2 |
| ITF Austria F1 | 2017/07/02 14:35 | Horst Rieder v Robin Peham | 4-6,1-6 |
| ITF Austria F1 | 2017/07/01 08:00 | Besir Durguti v Robin Peham | 6-4,2-6,6-7 |
| ITF Austria F1 | 2017/07/01 07:00 | Luka Matic v Robin Peham | 1-6,7-6,5-7 |