Round: 25 Ground: Clay
| ITF Austria F2 | 2017/07/13 11:00 | Prechtel, Sebastian v Jahn, Jeremy | 4-6,0-6 |
| ITF Austria F2 | 2017/07/11 08:30 | Yvo Panak v Prechtel, Sebastian | 4-6,3-6 |
| Challenger Marburg Qual | 2017/07/01 10:45 | Ymer, Mikael v Prechtel, Sebastian | 6-1,0-6,7-6 |
| ITF Italy F19 | 2017/06/26 09:00 | Prechtel, Sebastian v Federico Iannaccone | 5-7,6-3,2-6 |
| ITF Italy F18 | 2017/06/23 15:00 | Prechtel, Sebastian v Frigerio, Lorenzo | 6-7,2-6 |
| ITF Italy F18 | 2017/06/22 10:00 | Prechtel, Sebastian v Marcelo Zormann | 6-3,7-6 |
| ITF Italy F18 | 2017/06/20 11:35 | Orlando Luz v Prechtel, Sebastian | 3-6,6-3,4-6 |
| ITF Italy F17 | 2017/06/13 18:30 | Andrea Collarini v Prechtel, Sebastian | 6-3,6-1 |
| ITF Austria F2 | 2017/07/12 12:50 | Hampel, Lenny v Khomentovskiy, Matvey | 6-7,6-2,6-4 |
| ITF Austria F2 | 2017/07/12 08:30 | Khomentovskiy, Matvey v Sandro Kopp | 6-4,6-3 |
| ITF Austria F2 | 2017/07/09 12:30 | Khomentovskiy, Matvey v Schmidt, Gabriel | 6-2,6-4 |
| ITF Austria F2 | 2017/07/08 10:00 | Khomentovskiy, Matvey v Fink, Lorenz | 7-5,6-1 |
| ITF Austria F1 | 2017/07/04 10:00 | Khomentovskiy, Matvey v Brunner, Pascal | 3-6,2-6 |
| ITF Kazakhstan F5 Qual | 2017/04/23 05:35 | Khomentovskiy, Matvey v Dinic, Stefan | 7-6,7-6 |
| ITF Kazakhstan F4 Qual | 2017/04/17 07:00 | Khomentovskiy, Matvey v Denis Klok | 6-7,1-6 |
| ITF Kazakhstan F4 Qual | 2017/04/16 09:25 | Khomentovskiy, Matvey v Kolobaev, Nikolay | 7-5,4-6,7-6 |