| ITF M15 Belgrado | 07/04 11:55 | 26 | Alexandar Lazarov v Goran Zivotic | 6-0,6-2 | |
| ITF M15 Belgrado | 07/03 10:45 | 25 | Alexandar Lazarov v Sabit Suntic | 6-1,7-5 | |
| ITF M15 Kamen | 06/29 09:00 | 28 | [499] Alexandar Lazarov v Peter Heller [456] | 6-2,1-6,5-7 | |
| ITF M15 Kamen | 06/28 13:55 | 27 | Ronald Slobodchikov v Alexandar Lazarov | 4-6,6-7 | |
| ITF M15 Kamen | 06/27 09:00 | 26 | Dominik Boehler v Alexandar Lazarov | 1-6,3-6 | |
| ITF M15 Kamen | 06/25 09:00 | 25 | Shalva Dzhanashia v Alexandar Lazarov | 3-6,7-5,2-6 | |
| Challenger de Shymkent 2 | 06/12 04:30 | 25 | [498] Alexandar Lazarov v Alejandro Tabilo [341] | 2-6,3-6 | |
| Challenger de Shymkent 2 | 06/10 04:00 | 166 | [341] Alejandro Tabilo v Alexandar Lazarov [498] | 6-0,6-2 | |
| Challenger Almaty | 06/03 11:00 | 24 | [484] Alexandar Lazarov v Alexander Zhurbin [467] | 5-7,5-7 | |
| ITF M15 Bucarest | 05/24 09:00 | 27 | Alexandar Lazarov v Albert Alcaraz Ivorra | 4-6,0-6 | |
| ITF M15 Bucarest | 05/23 11:05 | 26 | Alexandar Lazarov v Mats Rosenkranz | 6-1,6-2 | |
| ITF M15 Bucarest | 05/22 12:30 | 25 | Alexandar Lazarov v Ivan Mikhaylyuk | 6-2,6-1 | |
| ITF M15 Sozopol | 05/10 08:30 | 27 | Shalva Dzhanashia v Alexandar Lazarov | Retired | |
| ITF M15 Sozopol | 05/09 07:00 | 26 | Michael Gloeckler v Alexandar Lazarov | 0-6,3-6 | |
| ITF M15 Sozopol | 05/07 10:00 | 25 | Sarp Agabigun v Alexandar Lazarov | 2-6,4-6 | |
| ITF M25 Santa Margarita | 04/16 14:30 | 25 | Gabriele Bosio v Alexandar Lazarov | 6-1,7-6 | |
| ITF M25 Santa Margarita | 04/14 09:30 | 25 | Stephanos Schinas v Alexandar Lazarov | 6-7,7-6,4-6 | |
| ITF M25 Santa Margarita | 04/14 08:00 | 26 | Peter Nagy v Alexandar Lazarov | Retired | |
| ITF M25 Santa Margarita | 04/13 19:00 | 25 | Mircea-Alexandru Jecan v Alexandar Lazarov | Cancelled | |
| ITF M25 Santa Margarita | 04/04 15:20 | 26 | Alexander Weis v Alexandar Lazarov | 6-4,6-4 | |
| ITF M25 Santa Margarita | 04/03 13:25 | 25 | Manfred Fellin v Alexandar Lazarov | 4-6,6-3,4-6 | |
| ITF M25 Kazán | 03/13 10:45 | 25 | [488] Alexandar Lazarov v Julian Lenz [397] | 1-6,1-6 | |
| ATP Sofía | 02/06 11:40 | 25 | Alexandar Lazarov v Fernando Verdasco | 2-6,1-6 | |
| ATP Sofía | 02/04 12:50 | 164 | Alexandar Lazarov v Luca Vanni | 7-6,3-6,7-5 | |
| ATP Sofía | 02/03 15:15 | 64 | Lukas Lacko v Alexandar Lazarov | 6-7,2-6 | |
| ITF Catar F6 | 12/20 13:35 | 27 | Alexandar Lazarov v Aslan Karatsev | 3-6,6-7 | |
| ITF Catar F6 | 12/19 14:40 | 26 | Mick Lescure v Alexandar Lazarov | 2-6,6-7 | |
| ITF Catar F6 | 12/18 08:20 | 25 | Alexandar Lazarov v Guy Den Heijer | 7-6,7-6 | |
| ITF Catar F5 | 12/14 12:00 | 28 | Alexandar Lazarov v Tak Khunn Wang | 1-6,0-6 | |
| ITF Catar F5 | 12/13 13:50 | 27 | Alexandar Lazarov v Aslan Karatsev | 7-5,5-7,6-3 |
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.