Stadium: Central Round: 14 Ground: Hardcourt outdoor
| Czechia Extraliga | 2020/12/16 10:00 | David Poljak v Michael Vrbensky | 6-3,6-1 |
| Czechia Extraliga | 2020/12/14 10:35 | David Poljak v Vojtech Vlkovsky | 6-0,6-1 |
| Czechia Extraliga | 2020/12/12 10:00 | David Poljak v Petr Michnev | 6-4,4-6,6-4 |
| ITF M15 Bratislava | 2020/11/26 10:40 | Danylo Kalenichenko v David Poljak | 4-6,6-2,7-6 |
| ITF M15 Bratislava | 2020/11/24 13:00 | Pavel Nejedly v David Poljak | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2020/11/12 08:00 | David Poljak v Felix Corwin | 5-7,6-3,7-5 |
| ITF M15 Sharm El Sheikh | 2020/11/11 12:05 | David Poljak v Lilian Breut | 6-0,4-6,6-4 |
| ITF M15 Sharm El Sheikh | 2020/11/06 08:00 | Alessandro Bega v David Poljak | 6-7,7-6,6-4 |