Round: 25 Ground: Clay
| ITF Austria F2 | 2017/07/13 13:15 | Daniel Brands v Alexander Erler | 6-2,6-1 |
| ITF Austria F2 | 2017/07/12 08:30 | Adrian Bodmer v Alexander Erler | 3-6,2-6 |
| ITF Austria F2 | 2017/07/11 08:30 | Alexander Erler v Maximilian Neuchrist | 7-6,7-6 |
| ITF Austria F1 | 2017/07/05 12:00 | Lenny Hampel v Alexander Erler | 4-6,6-4,6-3 |
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Tadeas Paroulek v Alexander Erler | 6-4,6-3 |
| ITF Czech Republic F1 Qual | 2017/05/13 08:00 | Daniel Rabas v Alexander Erler | 2-6,2-6 |
| ITF Turkey F5 | 2017/02/06 07:00 | Ondrej Krstev v Alexander Erler | 6-2,5-7,2-6 |
| ITF Turkey F5 | 2017/02/05 07:00 | Alexander Erler v Severin Steiner | 6-1,6-4 |
| ITF Austria F2 | 2017/07/14 11:25 | Daniel Brands v Tsung-Hua Yang | 7-6,6-3 |
| ITF Austria F2 | 2017/07/13 15:00 | Lenny Hampel v Tsung-Hua Yang | 2-6,6-7 |
| ITF Austria F2 | 2017/07/12 08:30 | Jakob Sude v Tsung-Hua Yang | 6-3,4-6,2-6 |
| ITF Austria F2 | 2017/07/10 09:30 | Jakob Aichhorn v Tsung-Hua Yang | 4-6,1-6 |
| ITF Austria F1 | 2017/07/06 09:00 | Tsung-Hua Yang v Pascal Brunner | 2-6,4-6 |
| ITF Austria F1 | 2017/07/05 08:30 | Tsung-Hua Yang v Nicholas Horton | 7-6,6-3 |
| ITF Austria F1 | 2017/07/03 10:00 | Tsung-Hua Yang v Bernd Kossler | 6-4,6-3 |
| ITF Chinese Taipei F2 | 2017/06/23 02:00 | Shintaro Imai v Tsung-Hua Yang | 4-6,6-4,6-1 |