Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF Slovakia F3 | 2017/08/08 08:00 | Marek Semjan v Jiri Vachtl | 7-6,7-6 |
| ITF Egypt F28 | 2017/10/02 14:00 | David Perez Sanz v Marek Semjan | 7-5,6-3 |
| ITF Egypt F28 | 2017/10/01 14:00 | Tristan Da Lio v Marek Semjan | 1-6,1-6 |
| ITF Hungary F6 | 2017/08/22 10:00 | Marek Semjan v Lukáš Klein | 2-6,4-6 |
| ITF Slovakia F3 | 2017/08/09 09:40 | Samuel Bensoussan v Marek Semjan | 7-5,2-6,7-6 |
| ITF Slovakia F3 | 2017/08/08 08:00 | Marek Semjan v Jiri Vachtl | 7-6,7-6 |
| ITF Slovakia F3 | 2017/08/07 08:00 | Marek Semjan v Mohammad A A K Akbar | 3-6,6-4,7-5 |
| ITF Slovakia F3 | 2017/08/06 07:00 | Marek Semjan v Martin Fekiac | 7-6,7-6 |
| ITF Slovakia F2 | 2017/08/03 11:20 | Patrik Nema v Marek Semjan | 7-6,7-6 |
| ITF Romania F12 | 2017/08/26 06:30 | Ioan Dan Abrudan v Jiri Vachtl | 7-5,3-6,6-3 |
| ITF Romania F11 Qual | 2017/08/20 10:30 | Calin Manda v Jiri Vachtl | 6-4,6-2 |
| ITF Romania F11 Qual | 2017/08/19 06:00 | Razvan M Codescu v Jiri Vachtl | 4-6,2-6 |
| ITF Slovakia F3 | 2017/08/08 08:00 | Marek Semjan v Jiri Vachtl | 7-6,7-6 |
| ITF Slovakia F3 | 2017/08/07 08:00 | Jiri Vachtl v Nenad Vladusic | 6-3,1-6,6-4 |
| ITF Slovakia F2 | 2017/07/31 07:00 | Eduard Guell Bartrina v Jiri Vachtl | 6-4,6-3 |
| ITF Slovakia F2 | 2017/07/30 09:00 | Jiri Vachtl v Pietro Mugelli | 6-1,6-0 |
| ITF Slovakia F1 | 2017/07/26 09:00 | Jiri Vachtl v Filipp Kekercheni | 4-6,2-6 |