| UTR Pro Tennis Series Nis | 2021/10/07 08:30 | Ivan Denisov v Lazar Radenkovic | 6-0,6-1 |
| UTR Pro Tennis Series Nis | 2021/10/06 10:00 | Ivan Denisov v Duje Kekez | 1-6,4-6 |
| UTR Pro Tennis Series Nis | 2021/10/05 10:30 | Ivan Denisov v Vladimir Popov | 6-2,5-4 |
| UTR Pro Tennis Series Nis | 2021/10/04 12:15 | Ivan Denisov v Petar Pjevcevic | 6-7,6-2,0-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 11:30 | Christos Keisidis v Ivan Denisov | 3-6,6-1,6-5 |
| UTR Pro Tennis Series Zadar | 2021/10/01 09:30 | Maxim Krapivin v Ivan Denisov | 5-7,3-6 |
| UTR Pro Tennis Series Zadar | 2021/09/30 12:00 | Deni Zmak v Ivan Denisov | 2-6,6-2,6-5 |
| UTR Pro Tennis Series Zadar | 2021/09/28 11:00 | Ivan Liutarevich v Ivan Denisov | 3-6,2-6 |
| UTR Pro Tennis Series Nis | 2021/10/08 14:15 | Egor Novikov v Andrey Chepelev | 4-6,2-5 |
| UTR Pro Tennis Series Nis | 2021/10/07 07:00 | Egor Novikov v Denys Klok | 6-4,6-3 |
| UTR Pro Tennis Series Nis | 2021/10/06 07:00 | Aleksandar Ljubojevic v Egor Novikov | 5-7,6-4,6-3 |
| UTR Pro Tennis Series Nis | 2021/10/05 07:30 | Petar Teodorovic v Egor Novikov | 6-1,6-4 |
| 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 |