| Challenger de Iasi | 07/11 07:00 | 14 | [482] Alexandar Lazarov v Alexis Gautier [493] | Retired | |
| ITF M15 Sofía | 07/08 09:10 | 26 | Alexandar Lazarov v Andrew Fenty | 3-6,6-1,5-7 | |
| ITF M15 Sofía | 07/06 08:00 | 25 | Alexandar Lazarov v Dinko Dinev | 6-1,6-2 | |
| ITF M25 Belgrade | 07/03 09:55 | 28 | [482] Alexandar Lazarov v Nick Hardt [465] | 2-6,1-6 | |
| ITF M25 Belgrade | 07/02 07:00 | 27 | Alexandar Lazarov v Edoardo Lavagno | 6-2,6-0 | |
| ITF M25 Belgrade | 07/01 09:55 | 26 | Pedja Krstin v Alexandar Lazarov | Retired | |
| ITF M25 Belgrade | 06/30 12:45 | 25 | Luka Petrovic v Alexandar Lazarov | 0-6,2-6 | |
| ITF M15 Skopje | 06/13 08:55 | 29 | Miljan Zekic v Alexandar Lazarov | 6-4,7-6 | |
| ITF M15 Skopje | 06/12 10:05 | 28 | Alexandar Lazarov v Alexis Gautier | 6-4,6-3 | |
| ITF M15 Skopje | 06/11 11:15 | 27 | Alexandar Lazarov v Ronan Joncour | 6-3,6-1 | |
| ITF M15 Skopje | 06/11 07:30 | 26 | Alexandar Lazarov v Tomas Jirousek | 6-3,6-4 | |
| ITF M15 Skopje | 06/08 10:30 | 25 | Alexandar Lazarov v Savriyan Danilov | 6-1,6-2 | |
| ITF M15 Skopje | 06/04 08:00 | 27 | Alexandar Lazarov v Dalibor Svrcina | 6-7,5-7 | |
| ITF M15 Skopje | 06/03 08:00 | 26 | Alexandar Lazarov v Admir Kalender | 6-1,6-3 | |
| ITF M15 Skopje | 06/01 11:00 | 25 | Alexandar Lazarov v Daniele Capecchi | 6-1,6-3 | |
| ITF M15 Jerusalén | 05/15 07:30 | 28 | Alexandar Lazarov v Zane Khan | Retired | |
| ITF M15 Jerusalén | 05/14 07:30 | 27 | Alexandar Lazarov v Felix Corwin | 2-6,7-5,6-3 | |
| ITF M15 Jerusalén | 05/13 08:25 | 26 | Alexandar Lazarov v Reese Stalder | 6-3,3-6,6-3 | |
| ITF M15 Jerusalén | 05/11 06:30 | 25 | Alexandar Lazarov v Samer Al Tori | 6-3,6-1 | |
| ITF M15 Ramat Hasharon | 05/07 07:00 | 27 | Alexandar Lazarov v Yshai Oliel | 4-6,3-6 | |
| ITF M15 Ramat Hasharon | 05/06 08:50 | 26 | Alexandar Lazarov v Luigi Sorrentino | 7-5,6-1 | |
| ITF M15 Ramat Hasharon | 05/05 10:40 | 25 | Alexandar Lazarov v Toby D. Boyer | 6-0,6-1 | |
| ITF M15 Opatija | 03/23 12:30 | 25 | Alexandar Lazarov v Sebastian Prechtel | 6-7,4-6 | |
| ITF M15 Rovinj | 03/18 10:10 | 26 | Martin Damm v Alexandar Lazarov | 6-1,5-7,6-4 | |
| ITF M15 Rovinj | 03/17 10:50 | 25 | Alexandar Lazarov v Uladzimir Ignatik | 6-4,4-6,7-5 | |
| ITF M15 Porec | 03/12 09:00 | 27 | Damien Wenger v Alexandar Lazarov | 7-6,6-0 | |
| ITF M15 Porec | 03/11 09:00 | 26 | Gergely Madarasz v Alexandar Lazarov | 1-6,3-6 | |
| ITF M15 Porec | 03/10 09:00 | 25 | Alexandar Lazarov v Vaclav Safranek | 7-5,6-4 | |
| ITF 15 Antalya | 02/01 14:50 | 27 | [482] Alexandar Lazarov v Raul Brancaccio [376] | 6-7,5-7 | |
| ITF 15 Antalya | 01/31 14:35 | 26 | Arthur Fils v Alexandar Lazarov | 1-6,1-6 |
Alexandar Lazarov (Bulgarian: Александър Лазаров, born 6 November 1997) is a Bulgarian professional tennis player. His highest singles ranking is No. 272 achieved on 14 November 2022, whilst his best doubles ranking is No. 359 achieved on 3 February 2020.