| UTR Pro Tennis Series Sofia | 2021/09/02 07:00 | Ivan Mikhaylyuk v George Lazarov | 3-6,1-6 |
| UTR Pro Tennis Series Dobrich | 2022/02/24 07:30 | George Lazarov v Martin Dimitrov | 5-7,6-2,6-7 |
| UTR Pro Tennis Series Dobrich | 2022/02/23 10:56 | George Lazarov v Ivan Penev | 3-6,0-5 |
| UTR Pro Tennis Series Dobrich | 2022/02/22 10:30 | George Lazarov v Anthony Genov | 6-4,5-7,6-4 |
| UTR Pro Tennis Series Dobrich | 2022/02/21 07:30 | George Lazarov v Maciej Rajski | 2-6,1-6 |
| UTR Pro Tennis Series Plovdiv | 2022/02/13 10:00 | George Lazarov v Alexander Lazov | 6-2,3-0 |
| UTR Pro Tennis Series Plovdiv | 2022/02/12 13:00 | Anthony Genov v George Lazarov | 3-6,1-6 |
| UTR Pro Tennis Series Plovdiv | 2022/02/09 10:30 | George Lazarov v Gorazd Srbljak | 5-7,2-6 |
| UTR Pro Tennis Series Plovdiv | 2022/02/08 07:30 | George Lazarov v Yurii Dzhavakian | 6-4,6-7,6-1 |
| UTR Pro Tennis Series Dobrich | 2022/02/24 09:00 | Ivan Mikhaylyuk v Alexander Lazov | 3-6,3-6 |
| UTR Pro Tennis Series Dobrich | 2022/02/23 10:30 | Ivan Mikhaylyuk v Vladimir Popov | 7-6,0-6,5-2 |
| UTR Pro Tennis Series Dobrich | 2022/02/22 12:00 | Ivan Mikhaylyuk v Petr Nesterov | 3-6,1-6 |
| UTR Pro Tennis Series Dobrich | 2022/02/21 09:00 | Ivan Mikhaylyuk v Johann Willems | 6-4,3-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/20 12:30 | Ivan Mikhaylyuk v Alexander Lazov | 3-6,6-7 |
| 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 |