| UTR Pro Tennis Series Zadar | 2021/11/19 15:03 | Olexiy Kolisnyk v Vladimir Popov | 6-0,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/19 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 Brasov | 2021/10/28 11:30 | Vasile Antonescu v Vladimir Popov | 4-4 |
| UTR Pro Tennis Series Brasov | 2021/10/27 07:00 | Edris Fetisleam v Vladimir Popov | 6-0,5-2 |
| UTR Pro Tennis Series Brasov | 2021/10/25 10:00 | Ioan Alexandru Chirita v Vladimir Popov | 6-2,6-2 |
| UTR Pro Tennis Series Nis | 2021/10/10 08:00 | Christos Keisidis v Vladimir Popov | 6-1,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/06 16:47 | Alen Rogic-Hadzalic v Olexiy Kolisnyk | 2-6,7-6,5-2 |
| UTR Pro Tennis Series Bucharest | 2021/12/05 11:00 | Olexiy Kolisnyk v Dragos Constantin Ignat | 6-7,6-3,4-1 |
| UTR Pro Tennis Series Bucharest | 2021/12/04 09:30 | Olexiy Kolisnyk v Volodymyr Uzhylovskyi | 6-4,3-6,5-3 |
| UTR Pro Tennis Series Bucharest | 2021/12/03 09:30 | Olexiy Kolisnyk v Nicolae Frunza | 7-5,3-6,4-5 |
| UTR Pro Tennis Series Bucharest | 2021/12/02 09:30 | Olexiy Kolisnyk v Ioan Alexandru Chirita | 4-6,5-6 |
| UTR Pro Tennis Series Bucharest | 2021/12/01 14:00 | Stefan A Andreescu v Olexiy Kolisnyk | 6-2,2-6,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/11/30 14:50 | Vasile Antonescu v Olexiy Kolisnyk | 7-6,6-4 |
| UTR Pro Tennis Series Zadar | 2021/11/20 14:46 | Olexiy Kolisnyk v Egor Matvievici | 6-3,4-6,2-6 |