Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Belgrád | 2021/07/03 09:55 | Alexandar Lazarov v Nick Hardt | 2-6,1-6 |
| ITF M25 Belgrád | 2021/07/02 07:00 | Alexandar Lazarov v Edoardo Lavagno | 6-2,6-0 |
| ITF M25 Belgrád | 2021/06/30 12:45 | Luka Petrovic v Alexandar Lazarov | 0-6,2-6 |
| ITF M15 Szkopje | 2021/06/13 08:55 | Miljan Zekic v Alexandar Lazarov | 6-4,7-6 |
| ITF M15 Szkopje | 2021/06/12 10:05 | Alexandar Lazarov v Alexis Gautier | 6-4,6-3 |
| ITF M15 Szkopje | 2021/06/11 11:15 | Alexandar Lazarov v Ronan Joncour | 6-3,6-1 |
| ITF M15 Szkopje | 2021/06/11 07:30 | Alexandar Lazarov v Tomas Jirousek | 6-3,6-4 |
| ITF M15 Szkopje | 2021/06/08 10:30 | Alexandar Lazarov v Savriyan Danilov | 6-1,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 11:30 | Dinko Dinev v Yurii Dzhavakian | 1-6,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 07:00 | Dinko Dinev v Lucas Bouquet | 2-6,0-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 10:00 | Dinko Dinev v Martin Dimitrov | 1-6,6-3,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 10:00 | Dinko Dinev v Johan Sebastien Tatlot | 2-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/04 08:30 | Dinko Dinev v Ilya Snitari | 1-6,1-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 08:30 | Alexander Lazov v Dinko Dinev | 6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 08:30 | Dinko Dinev v Simon A Ivanov | 6-2,5-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 08:30 | Dinko Dinev v Dragos Dima | 1-6,4-6 |