Round: 27 Ground: Clay
| ITF Czech Republic F2 | 2017/05/25 09:00 | Jan Mertl v Antonin Bolardt | 6-3,6-3 |
| ITF Czech Republic F2 | 2017/05/24 10:35 | Jan Mertl v Vadym Ursu | 6-1,6-4 |
| ITF Czech Republic F1 | 2017/05/17 10:25 | Peter Heller v Jan Mertl | 2-6,7-6,7-6 |
| Challenger Ostrava Qual | 2017/05/01 09:00 | Jan Mertl v Reda El Amrani | 2-6,2-6 |
| Challenger Ostrava Qual | 2017/04/30 10:50 | Petr Michnev v Jan Mertl | 5-7,2-6 |
| Challenger Ostrava Qual | 2017/04/29 10:10 | Jan Mertl v Lukas Mugevicius | 6-3,6-1 |
| ITF China F5 | 2017/04/13 03:00 | Zhizhen Zhang v Jan Mertl | 6-2,3-6,6-3 |
| ITF China F5 | 2017/04/11 04:40 | Zihao Xia v Jan Mertl | 3-6,3-6 |
| ITF Czech Republic F2 | 2017/05/25 11:50 | Robin Lang v Alexandar Lazarov | 1-6,0-6 |
| ITF Czech Republic F2 | 2017/05/24 11:30 | Patrick Mayer v Alexandar Lazarov | 2-6,2-6 |
| ITF Czech Republic F1 | 2017/05/18 08:30 | Alexandar Lazarov v Julian Lenz | 7-6,6-7,3-6 |
| ITF Czech Republic F1 | 2017/05/16 08:30 | Elmar Ejupovic v Alexandar Lazarov | 1-6,5-7 |
| ITF Hungary F1 | 2017/05/10 08:00 | Attila Balazs v Alexandar Lazarov | 6-2,7-5 |
| ITF Croatia F3 | 2017/03/22 10:05 | Alexandar Lazarov v Naoki Nakagawa | 2-6,0-6 |
| ITF Croatia F2 | 2017/03/15 10:35 | Pere Riba v Alexandar Lazarov | 6-2,6-3 |
| ITF Croatia F1 | 2017/03/08 10:00 | Alexandar Lazarov v Calin Manda | 6-4,3-6,3-6 |