Stadium: Court 7 Round: 1
| UTF Invitational | 2020/06/12 13:30 | Nikita Mashtakov v Marat Deviatiarov | 2-6,6-3,7-6 |
| UTF Invitational | 2020/06/11 11:30 | Marat Deviatiarov v Pavel Shumeiko | 6-1,6-1 |
| UTF Invitational | 2020/06/10 07:00 | Vladyslav Manafov v Marat Deviatiarov | 6-1,7-5 |
| UTF Invitational | 2020/06/09 09:00 | Oleksii Krutykh v Marat Deviatiarov | 3-6,4-5 |
| ITF M15 Doha | 2020/03/12 13:55 | Milen Ianakiev v Marat Deviatiarov | 2-6,0-6 |
| ITF M15 Doha | 2020/03/11 14:00 | Sidane Pontjodikromo v Marat Deviatiarov | 2-6,4-6 |
| ITF M15 Grenoble | 2020/02/11 10:35 | Maxime Tchoutakian v Marat Deviatiarov | 6-0,6-3 |
| ITF M15 Monastir | 2020/02/04 08:30 | Tiago Cacao v Marat Deviatiarov | 7-6,7-5 |
| 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 |