| UTR Pro Tennis Series Nis | 2021/10/06 10:00 | 피에브세비치, 페탈 v Lazar Radenkovic | 4-6,6-3,6-2 |
| UTR Pro Tennis Series Nis | 2021/10/05 11:30 | 피에브세비치, 페탈 v 케케즈, 두제 | 3-6,6-3,2-6 |
| UTR Pro Tennis Series Nis | 2021/10/04 12:15 | 데니소브, 이반 v 피에브세비치, 페탈 | 6-7,6-2,0-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 08:30 | 칼렌더, 아드미르 v 피에브세비치, 페탈 | 6-3,6-1 |
| UTR Pro Tennis Series Zadar | 2021/10/01 12:30 | 피에브세비치, 페탈 v 마릭, 필리프 | 4-6,6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/09/30 14:00 | 피에브세비치, 페탈 v 바탈진, 로렌스 | 6-1,6-5 |
| UTR Pro Tennis Series Zadar | 2021/09/29 09:30 | 라오렌트, 야나이스 v 피에브세비치, 페탈 | 6-2,6-2 |
| UTR Pro Tennis Series Zadar | 2021/09/28 09:30 | Matic, Mile v 피에브세비치, 페탈 | 2-6,2-5 |
| UTR Pro Tennis Series Nis | 2021/10/07 14:00 | 케케즈, 두제 v Vladimir Popov | 6-0,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/05 10:30 | 데니소브, 이반 v Vladimir Popov | 6-2,5-4 |
| UTR Pro Tennis Series Nis | 2021/10/04 08:30 | Vladimir Popov v Lazar Radenkovic | 6-1,5-2 |
| UTR Pro Tennis Series Sofia | 2021/09/02 07:00 | Vladimir Popov v 케시디스, 크리스토스 | 7-6,6-7,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 11:00 | 레스쿠레, 마이크 v Vladimir Popov | 1-6,4-6 |
| 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 07:00 | Viktor Markov v Vladimir Popov | 6-3,7-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/18 07:30 | Dmitrii Vasilev v Vladimir Popov | 2-6,1-5 |