Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF Egypt F20 | 2018/09/27 08:00 | Alexander Erler v Ondrej Krstev | 6-4,6-4 |
| ITF Egypt F20 | 2018/09/25 08:00 | Vasisht Cheruku v Ondrej Krstev | 3-6,7-5,3-6 |
| ITF Egypt F19 | 2018/09/20 08:00 | Simone Roncalli v Ondrej Krstev | 6-3,6-0 |
| ITF Egypt F19 | 2018/09/19 10:10 | Ondrej Krstev v Adham Gaber | 3-6,6-3,6-1 |
| ITF Serbia F4 | 2018/08/28 08:00 | Martins Podzus v Ondrej Krstev | 6-1,6-1 |
| ITF Serbia F3 | 2018/08/23 08:00 | Ondrej Krstev v Dejan Katic | 6-7,6-3,3-6 |
| ITF Serbia F3 | 2018/08/21 08:00 | Darko Bojanovic v Ondrej Krstev | 7-6,1-6,3-6 |
| ITF Slovakia F3 | 2018/08/07 11:55 | Antonio Massara v Ondrej Krstev | 6-3,6-2 |
| Challenger Sopot | 2018/07/31 12:40 | Wojciech Marek v Daniel Gimeno-Traver | 5-7,4-6 |
| ITF Poland F3 | 2018/05/18 12:00 | Wojciech Marek v Pawel Juszczak | 6-7,1-6 |
| ITF Poland F3 | 2018/05/16 08:00 | Wojciech Marek v Piotr Matuszewski | 6-2,4-6,6-1 |
| ITF Poland F2 | 2018/05/08 10:00 | Marvin Netuschil v Wojciech Marek | 6-2,6-4 |
| ITF Poland F5 | 2017/07/10 11:35 | Daniel Michalski v Wojciech Marek | 6-1,7-6 |
| ITF Poland F3 | 2017/06/28 09:00 | Wojciech Marek v Jan Choinski | 2-6,2-6 |
| ITF Poland F3 | 2017/06/27 12:25 | Wojciech Marek v Oleg Prihodko | 6-3,6-2 |