| 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 |
| ITF M15 Ulcinj | 2021/09/14 07:55 | Drazen Petrovic v Rimpei Kawakami | 1-6,3-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 12:00 | Alexander Chepik v Egor Matvievici | 6-4,4-6,6-2 |
| ITF M15 Antalya | 2021/06/21 11:25 | Vladimir Korolev v Egor Matvievici | 6-4,6-2 |
| ITF M15 Antalya | 2021/06/20 07:00 | Guga Tavadze v Egor Matvievici | 1-6,1-6 |
| ITF M15 Antalya | 2021/06/14 13:35 | Dian Nedev v Egor Matvievici | 6-1,6-2 |
| ITF M15 Antalya | 2021/06/13 07:30 | Egor Matvievici v Enes Donmezer | 6-3,6-2 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Aliaksandr Liaonenka v Egor Matvievici | 6-2,6-3 |
| ITF M15 Novomoskovsk | 2021/05/23 08:00 | Egor Matvievici v Alexander Zgirovsky | 1-6,3-6 |
| ITF M15 Antalya | 2021/04/11 07:00 | Egor Matvievici v Giuseppe La Vela | 5-7,1-6 |