| UTR Pro Tennis Series Portoroz | 2021/08/21 14:15 | Aleksa Pisaric v Gal Emersic Potocnik | 6-7,6-1,5-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 09:30 | Jan Vehovec v Aleksa Pisaric | 0-6,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 15:30 | Colin Sinclair v Aleksa Pisaric | 6-3,5-2 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 11:00 | Yanais Laurent v Aleksa Pisaric | 6-4,5-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 11:00 | Aleksa Pisaric v Tilen Zitnik | 6-3,4-6,6-1 |
| ITF M15 Novi Sad | 2021/08/02 12:30 | Aleksa Pisaric v Dusan Obradovic | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Viktor Jovic v Aleksa Pisaric | 7-6,6-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 08:00 | Teodor Ureche v Lawrence Bataljin | 5-7,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 09:30 | Teodor Ureche v Olexiy Kolisnyk | 0-6,2-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 09:30 | George Botezan v Teodor Ureche | 6-0,6-0 |