Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF Czech Republic F7 | 2017/10/25 10:45 | Marek Semjan v Robin Stanek | 3-6,7-6,3-6 |
| ITF Czech Republic F7 Qual | 2017/10/24 10:30 | Marek Semjan v Martin Fekiac | 6-4,6-7,6-3 |
| ITF Czech Republic F7 Qual | 2017/10/23 11:30 | Marek Semjan v Jiri Vachtl | 7-6,6-2 |
| 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 Lukas 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 Germany F10 | 2017/08/06 13:00 | David Mrazek v Nico Mertens | 4-6,6-7 |
| ITF Germany F10 | 2017/08/06 08:00 | David Mrazek v Alexandros Dinopoulos | 6-0,6-1 |
| ITF Slovakia F2 | 2017/07/30 09:00 | David Mrazek v Stepan Holis | 6-2,6-7,1-6 |
| ITF Slovakia F1 | 2017/07/27 09:00 | Peter Nagy v David Mrazek | 6-0,6-1 |
| ITF Slovakia F1 | 2017/07/26 12:15 | David Mrazek v Martin Beran | 7-6,6-4 |
| ITF Slovakia F1 | 2017/07/24 08:00 | Paul Jubb v David Mrazek | 6-2,7-5 |
| ITF Slovakia F1 | 2017/07/23 08:00 | Pietro Mugelli v David Mrazek | 1-6,1-6 |
| ITF Czech Republic F6 Qual | 2017/07/16 12:30 | Matej Sabanov v David Mrazek | 7-5,6-2 |