Stadium: Court 2 Round: 45 Ground: Clay
| ITF Czech Republic F10 | 2017/11/16 09:00 | David Poljak v Marek Gengel | 7-5,3-6,2-6 |
| ITF Czech Republic F12 | 2016/12/06 09:00 | Marek Gengel v David Poljak | 6-3,6-4 |
| ITF Czech Republic F6 | 2018/07/11 08:00 | Marek Gengel v Jirousek, Tomas | 2-6,6-7 |
| ITF Czech Republic F5 | 2018/07/03 08:00 | Marek Gengel v Konecny, Michal | 3-6,7-6,5-7 |
| ITF Czech Republic F4 Qual | 2018/06/24 09:00 | Marek Gengel v Khomentovskiy, Matvey | 3-6,5-7 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Marek Gengel v Kaelin, Yanik | 3-6,6-2,6-4 |
| Challenger Poprad Tatry Qual | 2018/06/16 09:35 | Satral, Jan v Marek Gengel | 6-1,6-1 |
| Challenger Prostejov Qual | 2018/06/03 13:50 | Brunner, Pascal v Marek Gengel | 6-2,6-3 |
| Czech Republic F2, Singles | 2018/05/23 13:40 | Marek Gengel v Mertl, Jan | 6-7,3-6 |
| Challenger Samarkand Qual | 2018/05/15 05:30 | Roman Safiullin v Marek Gengel | 6-2,3-6,6-3 |
| ITF Czech Republic F6 | 2018/07/10 08:00 | David Poljak v Paroulek, Tadeas | 3-6,2-6 |
| ITF Czech Republic F5 | 2018/07/07 08:30 | David Poljak v Vit Kopriva | 6-4,6-4 |
| ITF Czech Republic F5 | 2018/07/06 08:30 | Marek Jaloviec v David Poljak | 4-6,4-6 |
| 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 | 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 |