Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Doha | 2020/03/11 15:10 | Pol Wattanakul v Gabriel Donev | 6-1,6-2 |
| ITF M15 Burgas | 2019/10/09 13:45 | Gabriel Donev v Alexandar Lazarov | 7-5,2-6,5-7 |
| ITF M15 Chornomorsk | 2019/09/26 09:10 | Daniil Strelchenko v Gabriel Donev | 3-6,2-6 |
| ITF M15 Chornomorsk | 2019/09/24 07:00 | Vasko Mladenov v Gabriel Donev | 4-6,4-6 |
| Davis Cup | 2019/09/14 10:40 | Philip Henning v Gabriel Donev | 6-2,6-3 |
| ITF M15 Curtea de Arges | 2019/08/23 08:00 | Hernan Casanova v Gabriel Donev | 6-2,6-0 |
| ITF M15 Curtea de Arges | 2019/08/22 07:00 | Alexandru Vasile Manole v Gabriel Donev | 4-6,2-6 |
| ITF M25 Pitesti | 2019/08/14 06:00 | Gabriel Donev v Bogdan Pavel | 6-7,3-6 |
| Polish National Tour | 2020/07/08 11:00 | Michal Dembek v Maciej Rajski | 2-6,2-6 |
| Polish National Tour | 2020/07/07 12:10 | Michal Dembek v Piotr Grynkowski | 7-6,6-1 |
| Polish National Tour | 2020/07/06 09:00 | Michal Dembek v Kacper Dworak | 6-4,6-0 |
| Polish National Tour | 2020/06/19 09:30 | Kacper Zuk v Michal Dembek | 6-2,1-6,7-6 |
| Polish National Tour | 2020/06/18 07:00 | Michal Dembek v Michal Mikula | 7-6,6-4 |
| Marbello Cup Exhibition Series | 2020/06/05 07:00 | Mateusz Terczynski v Michal Dembek | 0-6,1-6 |
| Marbello Cup Exhibition Series | 2020/06/04 10:35 | Mateusz Terczynski v Michal Dembek | 2-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/03 13:05 | Daniel Michalski v Michal Dembek | 7-6,6-0 |