Stadium: Court 1 TC Avenue Round: 28 Ground: Clay
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/11 12:30 | Manda, Calin v Lazarov, Alexandar | 7-6,0-6,4-6 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/11 08:00 | Jotovski, Tomislav v Lazarov, Alexandar | 5-7,5-7 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/09 13:45 | Gabriel Donev v Lazarov, Alexandar | 7-5,2-6,5-7 |
| 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 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/11 12:15 | Nagy, Peter v Kai Wehnelt | 6-2,6-3 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/11 08:00 | Nagy, Peter v Niv, Benjamin | 6-2,6-4 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/09 12:25 | Nagy, Peter v Juan Pablo Paz | 6-1,3-6,6-0 |
| ITF M25 Ricany | 2019/09/27 11:45 | Nagy, Peter v Vit Kopriva | 0-6,3-6 |
| ITF M25 Ricany | 2019/09/26 08:00 | Pena Lopez, Manuel v Nagy, Peter | 2-6,6-2,2-6 |
| ITF M25 Ricany | 2019/09/25 09:30 | Konecny, Michal v Nagy, Peter | 2-6,4-6 |
| ITF M15 Zlatibor | 2019/09/22 10:00 | Nerman Fatic v Nagy, Peter | 7-5,6-3 |
| ITF M15 Zlatibor | 2019/09/20 11:10 | Jirousek, Tomas v Nagy, Peter | 2-6,7-5,2-6 |