| ATP Sofia | 11/07 16:10 | 25 | Alexandar Lazarov v Pavel Kotov | 6-3,1-6,2-6 | |
| Challenger Mauthausen | 05/09 08:00 | 25 | [469] Sandro Kopp v Alexandar Lazarov [284] | Retired | |
| Challenger Prag | 04/30 08:00 | 14 | [307] Rudolf Molleker v Alexandar Lazarov [287] | 7-5,4-6,7-6 | |
| Challenger Oeiras | 04/18 14:40 | 25 | [46] Adrian Mannarino v Alexandar Lazarov [284] | 5-7,7-5,6-2 | |
| Challenger Split | 04/10 09:30 | 19 | [157] Elias Ymer v Alexandar Lazarov [281] | 6-4,6-4 | |
| Challenger Split | 04/09 11:40 | 14 | [313] Nikola Milojevic v Alexandar Lazarov [281] | 3-6,2-6 | |
| ATP Marrakech | 04/02 12:10 | 14 | [285] Alexandar Lazarov v Andrea Vavassori [202] | 6-7,3-6 | |
| Challenger Biel | 03/22 10:00 | 25 | Kirill Kivattsev v Alexandar Lazarov | 6-4,6-7,6-3 | |
| ATP Dubai | 02/28 13:05 | 25 | [46] Alexander Bublik v Alexandar Lazarov [301] | Retired | |
| ATP Dubai | 02/26 07:00 | 19 | [304] Alexandar Lazarov v Francesco Passaro [109] | 7-5,7-5 | |
| ATP Dubai | 02/25 09:15 | 14 | [92] Zhizhen Zhang v Alexandar Lazarov [304] | 1-6,6-7 | |
| Davis Cup | 02/05 07:10 | - | Rubin Statham v Alexandar Lazarov | CANC |
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.