| UTR Pro Tennis Series Pazardzhik | 2021/07/14 07:30 | Vasil Kirkov v Aleksandr Braynin | 7-5,5-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 10:30 | Vasil Kirkov v Gorazd Srbljak | 2-6,6-3,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 06:00 | Vladimir Popov v Vasil Kirkov | 2-6,4-6 |
| ITF M15 Sofia | 2021/07/06 11:05 | Francisco Comesana v Vasil Kirkov | 6-3,6-2 |
| ITF M15 Champaign | 2021/06/23 19:10 | Vasil Kirkov v Kyle Seelig | 6-4,3-6,6-7 |
| ITF M25 Tulsa | 2021/06/15 14:00 | Vasil Kirkov v Michael Shabaz | 3-6,6-1,7-10 |
| ITF M25 Tulsa | 2021/06/14 15:00 | Vasil Kirkov v Errol Smith | 6-4,6-4 |
| ITF M15 Heraklion | 2020/11/26 07:30 | Henry Patten v Vasil Kirkov | 6-4,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 09:00 | Gorazd Srbljak v Yanaki Milev | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 10:30 | Vladimir Popov v Yanaki Milev | 4-6,6-4,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 06:00 | Yanaki Milev v Aleksandr Braynin | 7-6,4-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 10:30 | Mick Lescure v Yanaki Milev | 4-6,6-3,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 10:30 | Yanaki Milev v Plamen Milushev | 6-3,6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Yanaki Milev v Ronan Joncour | 5-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/07 09:30 | Constant De La Bassetiere v Yanaki Milev | 6-4,6-7,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Gabriel Donev v Yanaki Milev | 6-2,5-1 |