| UTR Pro Tennis Series Barcelona | 2021/12/12 08:00 | Vladimir Popov v Michalis Sakellaridis | 0-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/11 08:00 | Pol Toledo Bague v Vladimir Popov | 6-4,3-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/10 11:00 | Vladimir Popov v Alen Rogic-Hadzalic | 2-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/08 16:32 | Vladimir Popov v Olexiy Kolisnyk | 4-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 15:03 | Olexiy Kolisnyk v Vladimir Popov | 6-0,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/18 12:00 | Robert Rumler v Vladimir Popov | 6-2,5-1 |
| UTR Pro Tennis Series Zadar | 2021/11/16 12:00 | Valerii Naumenko v Vladimir Popov | 3-6,3-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 12:00 | Vladimir Popov v Duje Kekez | 0-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/20 09:00 | Martin Dimitrov v Robert Rumler | 2-6,4-4 |
| UTR Pro Tennis Series Zadar | 2021/11/19 12:00 | Alen Bill v Martin Dimitrov | 7-5,3-6,5-6 |
| UTR Pro Tennis Series Zadar | 2021/11/18 14:30 | Drazen Petrovic v Martin Dimitrov | 6-4,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/16 09:00 | Myroslav Bondar v Martin Dimitrov | 1-6,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 09:00 | Martin Dimitrov v Dorian Vasung | 6-3,0-0 |
| UTR Pro Tennis Series Brasov | 2021/10/30 11:00 | Martin Dimitrov v Dragos Constantin Ignat | 1-6,2-5 |
| UTR Pro Tennis Series Brasov | 2021/10/29 10:00 | Tudor Vlad Vasilache v Martin Dimitrov | 1-6,1-6 |
| UTR Pro Tennis Series Brasov | 2021/10/28 07:00 | Yurii Dzhavakian v Martin Dimitrov | 6-2,5-2 |