| UTR Pro Tennis Series Sofia | 2021/08/31 11:00 | Mihael Mihaylov v Vladimir Popov | 1-6,3-5 |
| UTR Pro Tennis Series Sofia | 2021/08/30 08:30 | Mihael Mihaylov v Lescure, Mick | 6-2,6-3 |
| UTR Pro Tennis Series Sofia | 2021/08/29 12:30 | Mihael Mihaylov v Alexandar Lazarov | 0-6,3-6 |
| UTR Pro Tennis Series Sofia | 2021/08/31 11:00 | Lescure, Mick v Viktor Markov | 3-6,4-5 |
| UTR Pro Tennis Series Sofia | 2021/08/30 07:00 | Viktor Markov v Vladimir Popov | 6-3,7-6 |