| Czech Republic F2, Singles | 2017/05/27 09:20 | Mertl, Jan v Alexander Vasilenko | 7-6,6-2 |
| Czech Republic F2, Singles | 2017/05/26 09:00 | Mertl, Jan v Lazarov, Alexandar | 6-2,6-2 |
| Czech Republic F2, Singles | 2017/05/25 09:00 | Mertl, Jan v Bolardt, Antonin | 6-3,6-3 |
| Czech Republic F2, Singles | 2017/05/24 10:35 | Mertl, Jan v Vadym Ursu | 6-1,6-4 |
| ITF Czech Republic F1 | 2017/05/17 10:25 | Peter Heller v Mertl, Jan | 2-6,7-6,7-6 |
| Challenger Ostrava Qual | 2017/05/01 09:00 | Mertl, Jan v El Amrani, Reda | 2-6,2-6 |
| Challenger Ostrava Qual | 2017/04/30 10:50 | Petr Michnev v Mertl, Jan | 5-7,2-6 |
| Challenger Ostrava Qual | 2017/04/29 10:10 | Mertl, Jan v Mugevicius, Lukas | 6-3,6-1 |
| Czech Republic F2, Singles | 2017/05/27 11:55 | Lenz, Julian v Haerteis, Johannes | 6-1,6-4 |
| Czech Republic F2, Singles | 2017/05/25 11:00 | Kristjan Tamm v Lenz, Julian | 2-6,1-6 |
| Czech Republic F2, Singles | 2017/05/24 11:55 | Lenz, Julian v Stanek, Robin | 6-3,2-6,6-4 |
| ITF Czech Republic F1 | 2017/05/21 09:00 | Lenz, Julian v Masar, Juraj | 6-2,6-3 |
| ITF Czech Republic F1 | 2017/05/20 08:30 | Lenz, Julian v Michael Geerts | 6-3,6-1 |
| ITF Czech Republic F1 | 2017/05/19 10:20 | Obert, Adrian v Lenz, Julian | 6-3,0-6,4-6 |
| ITF Czech Republic F1 | 2017/05/18 08:30 | Lazarov, Alexandar v Lenz, Julian | 7-6,6-7,3-6 |
| ITF Czech Republic F1 | 2017/05/16 10:00 | Lenz, Julian v Hocevar, Ricardo | 6-3,5-7,7-5 |