Stadium: Court 4 Round: 25
| ITF Czech Republic F4 | 2018/06/25 10:00 | David Poljak v Marko Miladinovic | 6-4,1-6,2-6 |
| Challenger Poprad Tatry Qual | 2018/06/17 12:00 | Frank Dancevic v David Poljak | 6-4,1-6,6-4 |
| Challenger Poprad Tatry Qual | 2018/06/16 16:25 | Peter Goldsteiner v David Poljak | 0-6,7-6,4-6 |
| Challenger Prostejov Qual | 2018/06/03 14:20 | David Poljak v Evgeny Karlovskiy | 3-6,4-6 |
| Challenger Prostejov Qual | 2018/06/03 08:00 | David Poljak v Patrik Nema | 2-6,6-2,6-4 |
| ITF Poland F3 | 2018/05/18 10:00 | Marvin Netuschil v David Poljak | 6-1,6-0 |
| ITF Poland F3 | 2018/05/15 09:10 | Timur Kiyamov v David Poljak | 5-7,6-2,1-6 |
| ITF Poland F2 | 2018/05/07 11:00 | David Poljak v Luca Gelhardt | 4-6,2-6 |
| ITF Uzbekistan F4 | 2018/06/06 06:30 | Konstantin Kravchuk v Denis Matsukevich | 6-2,6-4 |
| ITF Uzbekistan F4 | 2018/06/05 08:15 | Denis Matsukevich v Aliaksandr Liaonenka | 4-6,7-6,7-5 |
| ITF Uzbekistan F3 | 2018/05/30 07:35 | Denis Matsukevich v Konstantin Kravchuk | 3-6,4-6 |
| ITF Uzbekistan F3 | 2018/05/28 08:00 | Denis Matsukevich v Sardor Ergashev | 6-1,6-3 |
| Challenger Samarkand Qual | 2018/05/12 06:15 | Nikola Cacic v Denis Matsukevich | 7-5,7-6 |
| ITF Russia F1 | 2018/03/03 08:00 | Denis Matsukevich v Anton Zaitcev | 3-6,3-6 |
| ITF Russia F1 | 2018/03/02 09:25 | Dmitry Mnushkin v Denis Matsukevich | 4-6,2-6 |
| ITF Russia F1 | 2018/03/01 10:35 | Denis Matsukevich v Vladimir Ivanov | 7-6,7-6 |