| UTR Pro Tennis Series - Sofia | 2021/09/03 08:30 | Alexandar Lazarov v Leonid Sheyngezikht | 6-3,5-2 |
| UTR Pro Tennis Series - Sofia | 2021/09/02 08:30 | Alexandar Lazarov v Valentin Vanta | 6-4,3-6,5-3 |
| UTR Pro Tennis Series - Sofia | 2021/09/01 08:00 | Dian Nedev v Alexandar Lazarov | 1-6,4-6 |
| UTR Pro Tennis Series - Sofia | 2021/08/31 08:30 | Alec Adamson v Alexandar Lazarov | 2-6,1-5 |
| UTR Pro Tennis Series - Sofia | 2021/08/30 13:30 | Ivailo Keremedchiev v Alexandar Lazarov | 1-6,6-6 |
| UTR Pro Tennis Series - Sofia | 2021/08/29 12:30 | Mihael Mihaylov v Alexandar Lazarov | 0-6,3-6 |
| ITF M25 - Bacau | 2021/08/20 13:00 | Alexandar Lazarov v Arthur Cazaux | 6-7,4-6 |
| ITF M25 - Bacau | 2021/08/19 15:35 | Alexandar Lazarov v Dan Alexandru Tomescu | 6-2,6-4 |
| UTR Pro Tennis Series - Sofia | 2021/09/03 08:30 | Yurii Dzhavakian v Matias Zukas | 6-4,6-4 |
| UTR Pro Tennis Series - Sofia | 2021/09/02 10:00 | Simeon Terziev v Yurii Dzhavakian | 3-6,7-6,3-6 |
| UTR Pro Tennis Series - Sofia | 2021/09/01 09:30 | Yurii Dzhavakian v Alexander Lazov | 7-6,7-6 |
| UTR Pro Tennis Series - Sofia | 2021/08/31 09:30 | Yurii Dzhavakian v Julien De Cuyper | 6-0,5-0 |
| UTR Pro Tennis Series - Sofia | 2021/08/30 08:30 | Milen Ianakiev v Yurii Dzhavakian | 4-6,2-6 |
| ITF M15 - Telavi | 2021/08/03 04:30 | Alessandro Ingarao v Yurii Dzhavakian | 6-2,6-2 |
| ITF M25 - Telavi | 2021/07/27 09:30 | Yurii Dzhavakian v Evgeny Philippov | 4-6,6-4,5-7 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/17 09:00 | Yurii Dzhavakian v Yanaki Milev | 4-6,2-6 |