Round: 27 Ground: Clay
| ITF Austria F4 | 2017/07/26 10:10 | Sebastian Prechtel v Dominic Weidinger | 6-1,6-2 |
| ITF Austria F4 | 2017/07/24 08:00 | Sebastian Prechtel v Rio Noguchi | 6-3,6-2 |
| ITF Austria F3 | 2017/07/18 08:00 | Sebastian Prechtel v Matvey Khomentovskiy | 6-4,1-6,6-3 |
| ITF Austria F2 | 2017/07/13 11:00 | Sebastian Prechtel v Jeremy Jahn | 4-6,0-6 |
| ITF Austria F2 | 2017/07/11 08:30 | Yvo Panak v Sebastian Prechtel | 4-6,3-6 |
| Challenger Marburg Qual | 2017/07/01 10:45 | Mikael Ymer v Sebastian Prechtel | 6-1,0-6,7-6 |
| ITF Italy F19 | 2017/06/26 09:00 | Sebastian Prechtel v Federico Iannaccone | 5-7,6-3,2-6 |
| ITF Italy F18 | 2017/06/23 15:00 | Sebastian Prechtel v Lorenzo Frigerio | 6-7,2-6 |
| ITF Austria F4 | 2017/07/26 08:00 | Charles Broom v Daniel Dutra Da Silva | 4-6,2-6 |
| ITF Austria F4 | 2017/07/25 07:30 | Philipp Schroll v Daniel Dutra Da Silva | 3-6,0-6 |
| ITF Germany F8 | 2017/07/20 10:00 | Daniel Dutra Da Silva v Gibril Diarra | 5-7,6-7 |
| ITF Germany F8 | 2017/07/18 12:55 | Caio Zampieri v Daniel Dutra Da Silva | 1-6,1-6 |
| ITF Germany F6 | 2017/07/07 12:00 | Raphael Baltensperger v Daniel Dutra Da Silva | 6-0,6-2 |
| ITF Germany F6 | 2017/07/06 12:20 | Fernando Yamacita v Daniel Dutra Da Silva | 2-6,0-6 |
| ITF Germany F6 | 2017/07/05 11:40 | Jannis Kahlke v Daniel Dutra Da Silva | 6-7,4-6 |
| ITF Belgium F2 | 2017/06/28 14:00 | Daniel Dutra Da Silva v Geoffrey Blancaneaux | 3-6,3-6 |