| UTR Pro Tennis Series Nis | 2021/10/04 07:00 | Aleksandar Ljubojevic v Petar Teodorovic | 4-6,3-6 |
| ITF M15 Pirot | 2021/09/21 14:55 | Savva Polukhin v Petar Teodorovic | 6-2,6-2 |
| ITF M15 Zlatibor | 2021/09/15 08:00 | Petar Teodorovic v Peter Nagy | 4-6,2-6 |
| UTR Pro Tennis Series Beograd | 2021/07/10 10:00 | Petar Teodorovic v Aleksa Mardjonovic | 2-6,6-4,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/08 07:30 | Petar Teodorovic v Luka Pavlovic | 3-6,6-4,4-5 |
| UTR Pro Tennis Series Beograd | 2021/07/07 09:00 | Petar Teodorovic v Yanais Laurent | 2-6,1-6 |
| UTR Pro Tennis Series Beograd | 2021/07/06 10:30 | Petar Teodorovic v Bogdan Borza | 6-3,3-6,6-3 |
| UTR Pro Tennis Series Beograd | 2021/07/05 12:00 | Petar Teodorovic v Luka Todorovic | 7-6,6-2 |
| UTR Pro Tennis Series Portoroz | 2021/08/28 11:00 | Egor Agafonov v Egor Novikov | 6-4,7-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/28 07:00 | Egor Novikov v Deni Zmak | 2-6,7-6,1-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 13:00 | Egor Novikov v Denis Parshutin | 6-2,2-6,6-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 08:30 | Egor Novikov v Timur Maulenov | 7-5,6-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 07:00 | Tilen Zitnik v Egor Novikov | 6-7,4-6 |
| ITF M15 Monastir | 2021/08/08 08:30 | Chanchai Sookton-Eng v Egor Novikov | 2-6,0-6 |
| ITF M15 Monastir | 2021/08/01 08:00 | Rishab Agarwal v Egor Novikov | 6-1,6-1 |
| ITF M15 Monastir | 2021/07/26 09:00 | Maxence Beauge v Egor Novikov | 6-3,6-0 |