Stadium: Court 1 Round: 25 Ground: Clay
| ITF Austria F2 | 2017/07/12 10:30 | Ollert, Lukas v Viola, Matteo | 0-6,7-5,3-6 |
| ITF Austria F1 | 2017/07/03 11:00 | Andrea Pellegrino v Ollert, Lukas | 6-2,6-1 |
| ITF Belgium F1 | 2017/06/23 08:00 | Ollert, Lukas v Nicola Kuhn | 5-7,3-6 |
| ITF Belgium F1 | 2017/06/21 09:00 | Ollert, Lukas v Cailleau, Jolan | 2-6,6-4,6-0 |
| ITF Belgium F1 | 2017/06/20 12:25 | Ollert, Lukas v Mats Rosenkranz | 6-2,6-3 |
| ITF Hungary F4 | 2017/06/12 11:10 | Ollert, Lukas v Ulises Blanch | 3-6,0-6 |
| ITF Italy F12 | 2017/05/11 08:55 | Ollert, Lukas v Westerhof, Boy | 5-7,3-6 |
| ITF Italy F12 | 2017/05/10 07:30 | Mertens, Yannick v Ollert, Lukas | 6-3,4-6,2-6 |
| ITF Austria F5 | 2017/07/31 11:50 | D'Annunzio, Felipe v Haim, Matthias | 3-6,4-6 |
| ITF Austria F5 | 2017/07/30 08:00 | Haim, Matthias v Aichhorn, Jakob | 1-6,7-6,7-6 |
| ITF Austria F4 | 2017/07/28 09:00 | Martinez Sarrasague, Felipe v Haim, Matthias | 7-6,1-6,6-0 |
| ITF Austria F4 | 2017/07/27 09:00 | Haim, Matthias v Yvo Panak | 6-3,7-5 |
| ITF Austria F4 | 2017/07/26 08:00 | Haim, Matthias v Ameal, Juan Ignacio | 6-2,6-2 |
| ITF Austria F4 | 2017/07/24 08:00 | Christoph Negritu v Haim, Matthias | 1-6,3-6 |
| ITF Austria F3 | 2017/07/22 09:00 | Horansky, Filip v Haim, Matthias | 6-3,6-3 |
| ITF Austria F3 | 2017/07/21 14:30 | Haim, Matthias v Viktor Durasovic | 6-3,3-6,7-5 |