| UTR Pro Tennis Series Zadar | 2021/11/19 15:30 | Michalis Sakellaridis v Ivan Mikhaylyuk | 0-3 |
| UTR Pro Tennis Series Zadar | 2021/11/18 16:00 | Ivan Mikhaylyuk v Alen Bill | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/16 14:30 | Ivan Mikhaylyuk v Timur Maulenov | 5-7,6-3,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/15 10:30 | Vladyslav Manafov v Ivan Mikhaylyuk | 6-0,3-6,6-1 |
| ITF M15 Kazan | 2021/10/11 12:05 | Ivan Mikhaylyuk v Maksim Starostin | 2-6,2-6 |
| ITF M15 Sozopol | 2021/09/13 08:00 | Ivan Mikhaylyuk v Richard Biagiotti | 3-6,2-6 |
| UTR Pro Tennis Series Sofia | 2021/09/02 07:00 | Ivan Mikhaylyuk v George Lazarov | 3-6,1-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Tadija Radovanovic v Ivan Mikhaylyuk | 2-6,6-3,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 13:50 | Ivan Penev v Alexander Lazov | 6-3,3-6,3-6 |
| UTR Pro Tennis Series Zadar | 2021/11/18 12:00 | Deni Zmak v Alexander Lazov | 6-3,6-7,5-3 |
| UTR Pro Tennis Series Zadar | 2021/11/16 10:30 | Jose A R Rodriguez v Alexander Lazov | 1-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 15:20 | Graham Maassen v Alexander Lazov | 6-2,6-4 |
| UTR Pro Tennis Series Brasov | 2021/10/30 09:30 | Stefan A Andreescu v Alexander Lazov | 6-3,7-5 |
| UTR Pro Tennis Series Brasov | 2021/10/29 10:00 | Yurii Dzhavakian v Alexander Lazov | 6-2,6-4 |
| UTR Pro Tennis Series Brasov | 2021/10/28 07:00 | Vlad Andrei Dancu v Alexander Lazov | 6-3,7-5 |
| UTR Pro Tennis Series Brasov | 2021/10/27 08:30 | Tudor Vlad Vasilache v Alexander Lazov | 6-2,3-6,2-6 |