| UTR Pro Tennis Series Portoroz | 2021/08/29 08:00 | Olexiy Kolisnyk v Deni Zmak | 4-6,6-2,6-3 |
| 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 | 2021/08/26 08:30 | Denis Parshutin v Deni Zmak | 3-6,0-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 13:00 | Tilen Zitnik v Deni Zmak | 3-6,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 07:00 | Deni Zmak v Timur Maulenov | 7-6,5-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 10:00 | Deni Zmak v Oleksandr Bielinskyi | 6-2,7-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 09:30 | Olexiy Kolisnyk v Deni Zmak | 4-6,6-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 08:00 | Denis Parshutin v Deni Zmak | 3-6,1-5 |
| UTR Pro Tennis Series Ricany | 2021/09/18 12:00 | Adam Kozler v Yanais Laurent | 6-2,6-1 |
| UTR Pro Tennis Series Ricany | 2021/09/17 07:30 | Yanais Laurent v Jan Satral | 2-6,0-6 |
| UTR Pro Tennis Series Ricany | 2021/09/15 12:00 | Alexander Lazov v Yanais Laurent | 4-6,6-1,3-5 |
| UTR Pro Tennis Series Ricany | 2021/09/14 09:00 | Michael Gloeckler v Yanais Laurent | 1-6,2-6 |
| UTR Pro Tennis Series Ricany | 2021/09/11 07:30 | Krystof Zapsky v Yanais Laurent | 6-2,6-4 |
| UTR Pro Tennis Series Ricany | 2021/09/10 07:30 | Yanais Laurent v Lawrence Bataljin | 6-2,6-1 |
| UTR Pro Tennis Series Ricany | 2021/09/09 10:00 | Yanais Laurent v Andrey Chepelev | 0-6,4-6 |
| UTR Pro Tennis Series Ricany | 2021/09/08 10:30 | Jan Satral v Yanais Laurent | 4-6,6-7 |