Stadium: Court 1 TC Avenue Round: 25 Ground: Clay
| ITF M15 Chornomorsk | 2019/09/26 09:10 | Strelchenko, Daniil v Gabriel Donev | 3-6,2-6 |
| ITF M15 Chornomorsk | 2019/09/24 07:00 | Mladenov, Vasko v Gabriel Donev | 4-6,4-6 |
| Coupe Davis | 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 | Manole, Alexandru Vasile v Gabriel Donev | 4-6,2-6 |
| ITF M25 Pitesti | 2019/08/14 06:00 | Gabriel Donev v Bogdan Pavel | 6-7,3-6 |
| Targu Mures, Singles M-ITF-ROU-05A | 2019/08/08 07:00 | Gabriel Donev v Facundo Juarez | 6-0,4-6,2-6 |
| Targu Mures, Singles M-ITF-ROU-05A | 2019/08/06 14:30 | Gabriel Donev v Borsan, Doru Junior | 6-0,6-0 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/10/02 13:00 | Bondarevskiy, Yan v Lazarov, Alexandar | 6-4,7-5 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/09/26 13:00 | Petros Tsitsipas v Lazarov, Alexandar | 5-7,3-6 |
| Jounieh, Singles M-ITF-LBN-02A | 2019/09/25 16:45 | Ibrahim, Hasan v Lazarov, Alexandar | 0-6,1-6 |
| Coupe Davis | 2019/09/13 09:00 | Lloyd Harris v Lazarov, Alexandar | 6-4,6-7,6-3 |
| ITF M15 Curtea de Arges | 2019/08/24 08:00 | Hernan Casanova v Lazarov, Alexandar | 4-6,6-0,6-2 |
| ITF M15 Curtea de Arges | 2019/08/23 09:35 | Lazarov, Alexandar v Roncalli, Simone | 7-6,6-1 |
| ITF M15 Curtea de Arges | 2019/08/22 08:00 | Lazarov, Alexandar v Bogdan Pavel | 6-4,6-0 |
| ITF M15 Curtea de Arges | 2019/08/21 11:20 | Lazarov, Alexandar v Prevosto, Luca | 6-1,6-0 |