Stadium: Court 3 Round: 26 Ground: Carpet indoor
| ITF Czech Republic F5 | 2018/07/03 10:00 | Mrazek, David v Mikalai Haliak | 1-6,1-6 |
| ITF Tunisia F25 | 2018/06/28 12:20 | Portales, Nino v Mikalai Haliak | 6-1,6-3 |
| ITF Tunisia F24 | 2018/06/19 09:00 | Mikalai Haliak v Galarza, Juan Ignacio | 0-6,6-7 |
| ITF Poland F4 | 2018/05/24 10:20 | Gennaro, Dante v Mikalai Haliak | 6-3,1-6,6-3 |
| ITF Poland F4 | 2018/05/22 08:45 | Neubau, Marco v Mikalai Haliak | 3-6,6-4,3-6 |
| ITF Czech Republic F1 | 2018/05/17 08:00 | Peter Heller v Mikalai Haliak | 6-2,6-4 |
| ITF Czech Republic F1 | 2018/05/16 08:00 | Mikalai Haliak v Mertl, Jan | 7-5,6-4 |
| ITF Poland F2 | 2018/05/08 09:50 | Mikalai Haliak v Andrey Chepelev | 4-6,1-6 |
| ITF Czech Republic F5 | 2018/07/03 11:25 | Mammetgulyyev, Isa v David Poljak | 0-6,4-6 |
| ITF Czech Republic F4 | 2018/06/25 10:00 | David Poljak v Miladinovic, Marko | 6-4,1-6,2-6 |
| Challenger Poprad Tatry Qual | 2018/06/17 12:00 | Dancevic, Frank v David Poljak | 6-4,1-6,6-4 |
| Challenger Poprad Tatry Qual | 2018/06/16 16:25 | Goldsteiner, Peter 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 Nema, Patrik | 2-6,6-2,6-4 |
| ITF Poland F3 | 2018/05/18 10:00 | Netuschil, Marvin v David Poljak | 6-1,6-0 |
| ITF Poland F3 | 2018/05/15 09:10 | Kiyamov, Timur v David Poljak | 5-7,6-2,1-6 |