| UTR Pro Tennis Series Portoroz | 2021/08/18 09:30 | Denis Parshutin v Timur Maulenov | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 08:10 | Denis Parshutin v Alec Adamson | 6-2,6-4 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 08:00 | Gal Emersic Potocnik v Denis Parshutin | 6-1,0-6,2-6 |
| ITF M15 Novomoskovsk | 2021/05/31 06:15 | Gabriel Donev v Denis Parshutin | 6-0,6-4 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Sergo Sikharulidze v Denis Parshutin | 3-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/23 10:30 | Denis Parshutin v Oleksandr Bielinskyi | 2-6,3-6 |
| ITF M15 Antalya | 2021/04/26 09:00 | Denis Parshutin v Daniil Glinka | 2-6,4-6 |
| ITF M15 Antalya | 2021/04/25 07:00 | Denis Parshutin v Joel Vincent Link | 6-3,6-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 10:35 | Alec Adamson v Deni Zmak | 0-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 08:00 | Gal Emersic Potocnik v Deni Zmak | 1-6,4-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 08:00 | Deni Zmak v Timur Maulenov | 6-0,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/04 10:00 | Matija Pecotic v Deni Zmak | 6-3,6-3 |
| UTR Pro Tennis Series Zadar | 2021/07/03 08:30 | Josip Krstanovic v Deni Zmak | 5-7,3-5 |
| UTR Pro Tennis Series Zadar | 2021/07/02 08:00 | Deni Zmak v Bozo Barun | 6-2,6-2 |
| UTR Pro Tennis Series Zadar | 2021/07/01 12:30 | Deni Zmak v Vito Tonejc | 6-3,5-2 |
| UTR Pro Tennis Series Zadar | 2021/06/30 11:00 | Arthus De La Bassetiere v Deni Zmak | 2-6,3-5 |