Round: 25 Ground: Clay
| ITF Czech Republic F6 | 2017/07/18 08:00 | Krstev, Ondrej v Matej Vocel | 4-6,6-1,1-6 |
| Czech Republic F6, Singles Qualifying | 2017/07/16 12:30 | Krstev, Ondrej v Sramek, Marek | 6-2,6-0 |
| ITF Czech Republic F5 | 2017/07/11 15:35 | Krstev, Ondrej v Marek Jaloviec | 2-6,2-6 |
| ITF Czech Republic F4 | 2017/07/06 09:55 | Krstev, Ondrej v Jonathan Mridha | 3-6,4-6 |
| 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 |
| ITF Croatia F4 Qual | 2017/03/27 09:25 | Martin, Andrej v Sedletzky, Markus | 6-0,6-0 |
| ITF Austria F8 | 2016/08/31 08:30 | Gawron, Marcin v Sedletzky, Markus | 6-3,7-5 |
| ITF Austria F8 | 2016/08/30 08:30 | Sedletzky, Markus v Hajek, Petr | 6-4,4-6,6-3 |
| ITF Spain F29 Qual | 2014/09/28 08:00 | Djurdjevic, Bogdan v Sedletzky, Markus | 6-1,6-1 |