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