| UTR Pro Tennis Series Portoroz | 2021/08/18 11:00 | Jan Dimitrijevic v Petar Pjevcevic | 2-6,6-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 12:30 | Max Lukman v Petar Pjevcevic | 7-6,6-7,6-1 |
| ITF M15 Novi Sad | 2021/08/03 11:50 | Michal Novansky v Petar Pjevcevic | 6-4,7-6 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Aziz Kijametovic v Petar Pjevcevic | 6-1,6-3 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Petar Pjevcevic v Mirko Martinez | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Aleksandar Tomas v Petar Pjevcevic | 3-6,1-6 |
| ITF M15 Skopje | 2021/06/07 11:30 | Petar Pjevcevic v Hugo Pontico | 4-6,4-6 |
| ITF M15 Skopje | 2021/06/06 12:00 | Aleksa Bucan v Petar Pjevcevic | 4-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 12:00 | Jan Vehovec v Alec Adamson | 0-1 |
| 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 10:35 | Alec Adamson v Deni Zmak | 0-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 09:30 | Gal Emersic Potocnik v Alec Adamson | 6-3,7-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 08:10 | Denis Parshutin v Alec Adamson | 6-2,6-4 |
| UTR Pro Tennis Series Cancun | 2021/04/08 13:00 | Alec Adamson v Ivar Aramburu | 3-6,5-7 |
| UTR Pro Tennis Series Cancun | 2021/04/07 14:30 | Gabriel Evans v Alec Adamson | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/02/14 16:00 | Wally Thayne v Alec Adamson | 0-6,2-6 |