Stadium: Centre court Round: 29
| ITF Belarus F2 | 2018/08/17 07:00 | Ivan Liutarevich v David Poljak | 6-7,6-4,4-6 |
| ITF Belarus F2 | 2018/08/16 07:00 | David Poljak v Bulitski, Aliaksandr | 6-4,6-3 |
| ITF Belarus F2 | 2018/08/15 07:00 | David Poljak v Koray Kirci | 7-6,4-6,6-2 |
| ITF Belarus F2 | 2018/08/14 10:40 | David Poljak v Matsukevitch, Denis | 7-6,6-3 |
| Challenger Portoroz Qual | 2018/08/06 08:00 | David Poljak v Altug Celikbilek | 3-6,6-3,3-6 |
| Challenger Portoroz Qual | 2018/08/05 09:05 | Antoine Escoffier v David Poljak | 5-7,4-6 |
| Challenger Portoroz Qual | 2018/08/04 13:00 | David Poljak v Khabibulin, Timur | 6-4,7-5 |
| Challenger Liberec | 2018/07/31 14:00 | David Poljak v Michael Vrbensky | 6-2,1-6,3-6 |
| ITF Belarus F2 | 2018/08/17 09:50 | Yuksel, Anil v Betov, Sergey | 4-6,3-6 |
| ITF Belarus F2 | 2018/08/16 07:00 | Marek Gengel v Betov, Sergey | 5-7,3-6 |
| ITF Belarus F2 | 2018/08/15 09:40 | Berg, Conor v Betov, Sergey | 6-7,5-7 |
| ITF Belarus F2 | 2018/08/14 09:05 | Sarp Agabigun v Betov, Sergey | 7-6,4-6,4-6 |
| ITF Belarus F1 | 2018/08/10 07:00 | Gray, Jonathan v Betov, Sergey | 2-6,6-3,6-4 |
| ITF Belarus F1 | 2018/08/09 08:35 | Khassanov, Roman v Betov, Sergey | 2-6,7-5,6-7 |
| ITF Belarus F1 | 2018/08/08 09:50 | Bondarevskiy, Yan v Betov, Sergey | 3-6,4-6 |
| ITF Belarus F1 | 2018/08/07 11:30 | Alexander Zgirovsky v Betov, Sergey | 4-6,4-6 |