Stadium: Court 2 Round: 28 Ground: Carpet indoor
| ITF Czech Republic F9 | 2017/11/08 10:45 | Marek Jaloviec v David Poljak | 5-7,6-3,6-3 |
| ITF Slovakia F3 | 2015/07/30 09:15 | Marek Jaloviec v David Poljak | 3-6,6-1,7-6 |
| ITF Czech Republic F5 | 2018/07/05 10:40 | Marek Jaloviec v Alexander Vasilenko | 7-6,6-4 |
| ITF Czech Republic F5 | 2018/07/04 09:30 | Marek Jaloviec v Michal Konecny | 6-3,6-3 |
| ITF Czech Republic F5 | 2018/07/02 14:30 | Marek Jaloviec v Tomas Krcma | 6-1,6-0 |
| ATP Eastbourne Qual | 2018/06/23 14:40 | Jay Clarke v Marek Jaloviec | 6-4,7-5 |
| Challenger Poprad Tatry | 2018/06/19 08:00 | Andreas Haider-Maurer v Marek Jaloviec | 6-3,6-4 |
| Challenger Prostejov | 2018/06/05 10:45 | Marek Jaloviec v Gerald Melzer | 3-6,0-6 |
| Challenger Prostejov Qual | 2018/06/04 10:00 | Marek Jaloviec v Gianluca Mager | 2-6,2-6 |
| Challenger Prostejov Qual | 2018/06/03 16:05 | Marek Jaloviec v Pascal Brunner | 6-4,0-6,6-3 |
| ITF Czech Republic F5 | 2018/07/05 09:55 | Oscar Jose Gutierrez v David Poljak | 4-6,1-6 |
| ITF Czech Republic F5 | 2018/07/03 11:25 | Isa Mammetgulyyev v David Poljak | 0-6,4-6 |
| 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 |