Round: 27 Ground: Carpet indoor
| ITF Czech Republic F4 | 2017/07/05 10:40 | Hernych, Jan v Krstev, Ondrej | 3-6,4-6 |
| ITF Czech Republic F4 | 2017/07/04 08:00 | Hirschmueller, Christian v Krstev, Ondrej | 3-6,6-7 |
| ITF Czech Republic F4 Qual | 2017/07/03 10:00 | Krstev, Ondrej v Jonhagen, Johan | 6-4,6-3 |
| ITF Czech Republic F4 Qual | 2017/07/02 09:00 | Krstev, Ondrej v Kozielski, Lukasz | 6-1,6-0 |
| Czech Republic F2, Singles | 2017/05/24 10:55 | Filip Duda v Krstev, Ondrej | 3-6,6-2,6-0 |
| ITF Czech Republic F1 | 2017/05/17 08:30 | David Poljak v Krstev, Ondrej | 6-1,7-5 |
| ITF Czech Republic F1 Qual | 2017/05/15 09:20 | Krstev, Ondrej v Paroulek, Tadeas | 7-5,2-6,7-5 |
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Krstev, Ondrej v Glvac, Andrej | 5-7,6-4,6-4 |
| ITF Czech Republic F4 | 2017/07/05 10:30 | Jonathan Mridha v Onishi, Ken | 6-2,6-1 |
| ITF Czech Republic F4 | 2017/07/04 11:15 | Jonathan Mridha v Stepanek, Antonin | 6-0,6-1 |
| ITF Czech Republic F4 Qual | 2017/07/03 09:05 | Jonathan Mridha v Brna, David Damian | 6-3,6-4 |
| ITF Czech Republic F4 Qual | 2017/07/02 09:00 | Jonathan Mridha v Holis, Stepan | 6-0,6-3 |
| ITF Poland F1 | 2017/06/14 09:00 | Hocevar, Ricardo v Jonathan Mridha | 6-4,6-4 |
| ITF Sweden F2 | 2017/05/19 08:30 | Vandenbulcke, Yannick v Jonathan Mridha | 6-0,6-3 |
| ITF Sweden F2 | 2017/05/18 08:30 | Eriksson, Markus v Jonathan Mridha | 3-6,6-2,4-6 |
| ITF Sweden F2 | 2017/05/17 08:15 | Jonathan Mridha v Jahn, Jeremy | 1-6,7-6,7-6 |