Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Sozopol | 2021/09/14 09:00 | Martin Krumich v Valentin Vanta | 7-5,7-6 |
| 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 06:30 | Valentin Vanta v Warren Sinius | 6-1,5-0 |
| UTR Pro Tennis Series - Sofia | 2021/08/31 09:30 | Valentin Vanta v George Lazarov | 6-4,6-0 |
| UTR Pro Tennis Series - Sofia | 2021/08/30 13:30 | Valentin Vanta v Volodymyr Uzhylovskyi | 6-2,6-3 |
| ITF - M25 Bacau | 2021/08/17 07:00 | Toby Martin v Valentin Vanta | 6-7,6-2,12-10 |
| ITF - M25 Bacau | 2021/08/16 15:00 | Dan Radu Munteanu v Valentin Vanta | 2-6,4-6 |
| ITF - M15 Curtea de Arges | 2021/08/08 08:00 | Valentin Vanta v Stefan Palosi | 1-6,3-6 |
| ITF - M15 Sozopol | 2021/10/06 07:00 | Simon A Ivanov v Nikola Keremedchiev | 6-1,1-6,6-3 |
| ITF - M15 Sozopol | 2021/10/05 06:30 | George Lazarov v Nikola Keremedchiev | 6-2,6-7,3-10 |
| ITF - M15 Sozopol | 2021/10/03 09:00 | Nikola Keremedchiev v James Ibrahim | 4-6,6-4,10-4 |
| ITF - M15 Novi Sad | 2021/08/01 07:00 | Nikola Keremedchiev v Darko Jandric | 1-6,6-7 |