| UTR Pro Tennis Series Zadar | 2021/11/16 09:00 | Drazen Petrovic v Egor Matvievici | 6-0,7-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 09:00 | Drazen Petrovic v Myroslav Bondar | 6-2,6-1 |
| UTR Pro Tennis Series Zadar | 2021/10/02 07:00 | Borna Devald v Drazen Petrovic | 5-0 |
| UTR Pro Tennis Series Zadar | 2021/10/01 08:00 | Christos Keisidis v Drazen Petrovic | 6-4,6-4 |
| UTR Pro Tennis Series Zadar | 2021/09/30 09:30 | Duje Kekez v Drazen Petrovic | 3-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/09/29 08:00 | Janos Fekete v Drazen Petrovic | 4-6,6-4,1-6 |
| UTR Pro Tennis Series Zadar | 2021/09/27 11:30 | Stefanos Sakellaridis v Drazen Petrovic | 7-6,2-6,5-2 |
| ITF M15 Ulcinj | 2021/09/19 08:00 | Drazen Petrovic v Ervin H Eminefendic | 3-6,7-6,6-10 |
| 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 |
| UTR Pro Tennis Series Brasov | 2021/10/26 10:00 | Vlad Andrei Dancu v Martin Dimitrov | 6-3,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/25 11:30 | Martin Dimitrov v Alexander Lazov | 5-7,4-6 |
| ITF M15 Sozopol | 2021/10/11 09:00 | Tommaso Compagnucci v Martin Dimitrov | 6-4,6-2 |