Stadium: Court 5 Round: 14 Ground: Clay
| ITF M25 Poprad | 2022/07/01 10:45 | Stefan Palosi v David Poljak | 3-6,6-1,6-1 |
| ITF M25 Poprad | 2022/06/30 09:50 | Ondrej Horak v David Poljak | 0-6,2-6 |
| ITF M25 Poprad | 2022/06/29 07:30 | Milos Karol v David Poljak | 3-6,2-6 |
| Challenger Oeiras | 2022/06/19 13:45 | Ivan Gakhov v David Poljak | 3-6,7-6,7-6 |
| ITF M15 Bytom | 2022/06/11 09:00 | David Poljak v Georgii Kravchenko | 6-4,2-6,2-6 |
| ITF M15 Bytom | 2022/06/10 11:30 | David Poljak v Lukas Krainer | 6-4,6-1 |
| ITF M15 Bytom | 2022/06/09 08:30 | David Poljak v Yann Wojcik | 4-6,6-2,7-5 |
| ITF M15 Bytom | 2022/06/08 12:10 | David Poljak v Wojciech Marek | 7-6,6-3 |
| Challenger Malaga | 2022/06/26 08:30 | David Marrero v Johannes Haerteis | 2-6,6-4,1-6 |
| ITF M15 Castelo Branco | 2021/07/26 14:00 | Pietro Mugelli v David Marrero | 7-6,7-6 |
| ITF M15 Castelo Branco | 2021/07/25 11:00 | David Marrero v Mario G Fernandez | 4-6,7-5,10-8 |
| ITF M15 Loule | 2020/03/09 13:00 | Gabriele Moghini v David Marrero | 6-3,6-2 |
| ITF M15 Loule | 2020/03/08 10:00 | David Marrero v Goncalo Falcao | 7-5,6-3 |
| ITF M15 Santo Domingo | 2019/12/01 14:00 | David Marrero v Michel-Alexandre Fortin | 6-4,6-4 |
| Challenger Szczecin Qual | 2017/09/10 10:05 | David Marrero v Maxime Tabatruong | 0-6,4-6 |
| ATP Barcelona Qual | 2015/04/18 13:20 | Norbert Gombos v David Marrero | 7-5,6-1 |