| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Timur Maulenov v Tilen Zitnik | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 13:00 | Tilen Zitnik v Deni Zmak | 3-6,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 08:30 | Tilen Zitnik v Denis Parshutin | 6-7,6-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 07:00 | Tilen Zitnik v Egor Novikov | 6-7,4-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Timur Maulenov v Tilen Zitnik | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 11:00 | Lawrence Bataljin v Tilen Zitnik | 6-3,4-6,4-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 11:00 | Colin Sinclair v Tilen Zitnik | 6-3,6-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 12:30 | Jan Vehovec v Tilen Zitnik | 3-6,5-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 11:00 | Aleksa Pisaric v Tilen Zitnik | 6-3,4-6,6-1 |
| 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 | Deni Zmak v Timur Maulenov | 7-6,5-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Timur Maulenov v Tilen Zitnik | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 13:15 | Timur Maulenov v Jan Dimitrijevic | 6-4,6-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 09:30 | Alec Adamson v Timur Maulenov | 2-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 08:00 | Gal Emersic Potocnik v Timur Maulenov | 3-6,6-1,4-6 |
| 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 | 2021/08/16 08:00 | Deni Zmak v Timur Maulenov | 6-0,6-0 |