| ITF Romania F1 | 05/22 07:00 | 25 | Nicholas D Ionel v Alexandar Lazarov | 6-7,5-7 | |
| ITF Bulgaria F1 | 05/18 07:00 | 27 | Lucas Catarina v Alexandar Lazarov | 7-6,6-2 | |
| ITF Bulgaria F1 | 05/17 08:30 | 26 | Riccardo Ghedin v Alexandar Lazarov | 3-6,0-6 | |
| ITF Bulgaria F1 | 05/15 07:00 | 25 | Zlatan Palazov v Alexandar Lazarov | 1-6,1-6 | |
| ITF Croatia F3 | 03/20 10:00 | 25 | Alexandar Lazarov v Mate Delic | 3-6,6-3,4-6 | |
| ITF Croatia F2 | 03/15 11:30 | 26 | Alexandar Lazarov v Jeremy Jahn | 2-6,2-6 | |
| ITF Croatia F2 | 03/14 10:55 | 25 | Alexandar Lazarov v Andres Gabriel Ciurletti | 6-0,6-3 | |
| ITF Croatia F1 | 03/09 14:30 | 26 | Alexandar Lazarov v Matteo Viola | 3-6,0-6 | |
| ITF Croatia F1 | 03/09 10:50 | 25 | Admir Kalender v Alexandar Lazarov | 2-6,4-6 | |
| ITF Croatia F1 | 03/08 09:00 | 60 | Alexandar Lazarov v Deni Zmak | 6-4,6-3 | |
| ITF Croatia F1 | 03/04 16:00 | 60 | Alexandar Lazarov v Gorazd Srbljak | 6-7,6-3,6-1 | |
| ATP Sofia Qual | 02/04 12:40 | 26 | Oscar Otte v Alexandar Lazarov | 6-7,7-5,6-1 | |
| ITF Turkey F45 | 11/30 09:15 | 26 | Alexandar Lazarov v Lenny Hampel | 5-7,1-6 | |
| ITF Turkey F45 | 11/29 08:10 | 25 | Alexandar Lazarov v Luca George Tatomir | 6-1,7-6 | |
| ITF Turkey F44 | 11/23 07:15 | 26 | Aleksandar Lazov v Alexandar Lazarov | 6-4,1-6,6-0 | |
| ITF Turkey F44 | 11/22 07:15 | 25 | Alexandar Lazarov v Laurent Rochette | Retired | |
| ITF Turkey F43 | 11/16 06:45 | 26 | Alexandar Lazarov v Riccardo Bonadio | 4-6,2-6 | |
| ITF Turkey F43 | 11/14 12:45 | 25 | Corrado Summaria v Alexandar Lazarov | 4-6,3-6 | |
| ITF Turkey F35 | 09/21 11:30 | 26 | Germain Gigounon v Alexandar Lazarov | 2-6,6-2,6-4 | |
| ITF Turkey F35 | 09/19 07:30 | 25 | Alexandar Lazarov v Michiel de Krom | 6-1,6-4 | |
| ITF Turkey F35 | 09/18 07:30 | 44 | Alexandar Lazarov v Bastien Kolly | 6-0,6-1 | |
| ITF Turkey F35 | 09/17 11:00 | 44 | Alexandar Lazarov v Marvin Greven | 6-3,6-4 | |
| ITF Turkey F34 | 09/12 13:05 | 25 | Patricio Heras v Alexandar Lazarov | 6-1,6-1 | |
| ITF Serbia F3 | 08/24 08:00 | 26 | Domagoj Biljesko v Alexandar Lazarov | 7-6,2-6,6-3 | |
| ITF Serbia F3 Qual | 08/22 11:15 | 25 | Jurabek Karimov v Alexandar Lazarov | 3-6,3-6 | |
| Challenger Meerbusch Qual | 08/13 12:55 | 46 | Marc Sieber v Alexandar Lazarov | 6-3,6-2 | |
| Challenger Meerbusch Qual | 08/12 14:35 | 45 | Alexandar Lazarov v Erik Crepaldi | 6-3,6-4 | |
| ITF Romania F8 | 08/05 07:30 | 28 | Hernan Casanova v Alexandar Lazarov | Retired | |
| ITF Romania F8 | 08/04 07:45 | 27 | Alexandar Lazarov v Dragos Dima | 6-1,3-6,6-3 | |
| ITF Romania F8 | 08/03 11:00 | 26 | Alexandar Lazarov v Vasile Antonescu | 6-3,6-3 |
Alexandar Lazarov (Bulgarian: Александър Лазаров, born 6 November 1997) is a Bulgarian professional tennis player. His career-high singles ranking is world No. 272 achieved on 14 November 2022 and his best doubles ranking is No. 359 achieved on 3 February 2020.