| UTR Pro Tennis Series Barcelona | 2021/11/12 15:30 | Jan Dimitrijevic v Danylo Veremeychuk | 6-1,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 18:00 | Jan Dimitrijevic v Thomas Laurent | 2-6,4-5 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 12:30 | Jordi Mas De Ugarte v Jan Dimitrijevic | 3-6,6-4,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/11/09 11:00 | Alexis Klegou v Jan Dimitrijevic | 6-4,5-1 |
| ITF M15 Monastir | 2021/10/04 09:00 | Mayeul Darras v Jan Dimitrijevic | 6-2,6-1 |
| ITF M15 Monastir | 2021/10/03 09:00 | Fabian Hansch Mauritzson v Jan Dimitrijevic | 6-4,3-6,5-10 |
| UTR Pro Tennis Series Portorož | 2021/08/28 08:30 | Timur Maulenov v Jan Dimitrijevic | 7-5,3-6,7-5 |
| UTR Pro Tennis Series Portorož | 2021/08/21 13:15 | Timur Maulenov v Jan Dimitrijevic | 6-4,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/12 17:30 | Diego F Flores v Vlad Cristian Breazu | 6-3,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/12 14:30 | Xavier Gabarro v Vlad Cristian Breazu | 4-6,1-3 |
| UTR Pro Tennis Series Barcelona | 2021/11/08 08:00 | David Redondo v Vlad Cristian Breazu | 5-7,4-5 |
| ITF M25 Setubal | 2021/10/04 14:15 | Vlad Cristian Breazu v Gian Luca Tanner | 6-2,1-6,6-10 |
| ITF M25 Setubal | 2021/10/03 14:00 | Luca Teboul v Vlad Cristian Breazu | 4-6,1-6 |
| ITF M15 Curtea de Argeș | 2021/08/09 07:00 | Vlad Cristian Breazu v Vlad Andrei Dancu | 2-6,1-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 10:30 | Vlad Stoica v Vlad Cristian Breazu | 6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 15:00 | Bogdan Borza v Vlad Cristian Breazu | 7-6,6-3 |