Stadium: Court 1 Round: 1
| Challenger Prague | 2018/07/21 08:00 | Marek Gengel v David Poljak | 6-2,3-6,4-6 |
| 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 M15 Heraklion | 2019/11/26 10:00 | Jakub Paul v David Poljak | 6-3,6-4 |
| ITF M15 Heraklion | 2019/11/21 08:00 | Simon A Ivanov v David Poljak | 7-5,6-3 |
| ITF M15 Heraklion | 2019/11/20 12:00 | Stephanos Schinas v David Poljak | 2-6,3-6 |
| Challenger Helsinki | 2019/11/13 13:45 | Patrik Niklas-Salminen v David Poljak | 6-4,4-6,6-3 |
| ITF M15 Opava | 2019/11/03 09:00 | David Poljak v Petr Nouza | 6-4,6-4 |
| ITF M15 Opava | 2019/11/02 09:00 | Robin Stanek v David Poljak | 3-6,4-6 |
| ITF M15 Opava | 2019/11/01 09:00 | Mattia Bellucci v David Poljak | 6-7,2-6 |
| ITF M15 Opava | 2019/10/31 09:00 | Ondrej Krstev v David Poljak | 6-7,3-6 |
| ITF M15 Heraklion | 2019/11/28 08:00 | Alexandar Lazarov v Marek Gengel | 6-4,6-2 |
| ITF M15 Heraklion | 2019/11/27 09:30 | Marek Gengel v Markos Kalovelonis | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2019/11/23 08:00 | Alexey Zakharov v Marek Gengel | 6-3,7-6 |
| ITF M15 Sharm El Sheikh | 2019/11/22 08:00 | Marek Gengel v Vladyslav Manafov | 7-6,6-3 |
| ITF M15 Sharm El Sheikh | 2019/11/21 09:45 | Marek Gengel v Miguel Damas | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2019/11/20 12:05 | Marek Gengel v Seong-Gook Oh | 6-3,6-0 |
| ITF M15 Sharm El Sheikh | 2019/11/15 08:00 | Vladyslav Manafov v Marek Gengel | 6-4,6-0 |
| ITF M15 Sharm El Sheikh | 2019/11/14 08:00 | Zachary Eisinga v Marek Gengel | 4-6,4-6 |