| UTR Pro Tennis Series - Sófia | 2021/08/31 06:30 | Samuil Konov v Matias Zukas | 3-6,1-6 |
| UTR Pro Tennis Series - Sófia | 2021/08/30 07:00 | Martin Dimitrov v Samuil Konov | 4-6,6-1,5-1 |
| ITF - M15 Curtea de Arges | 2021/08/08 10:00 | Dan Alexandru Tomescu v Samuil Konov | 6-1,6-3 |
| ITF - M25 Pitesti | 2021/08/01 13:30 | Martin Zeljenka v Samuil Konov | 6-4,6-4 |
| ITF - M15 Antália | 2021/06/28 12:20 | Daniil Glinka v Samuil Konov | 6-3,6-1 |
| ITF - M15 Antália | 2021/06/27 06:30 | Sabit Suntic v Samuil Konov | 4-6,3-6 |
| UTR Pro Tennis Series - Bucareste | 2021/06/03 12:00 | Kuzey Cekirge v Samuil Konov | 6-3,4-6,7-5 |
| UTR Pro Tennis Series - Bucareste | 2021/06/03 06:00 | Vlad Andrei Dancu v Samuil Konov | 6-3,5-7,6-2 |
| UTR Pro Tennis Series - Sófia | 2021/08/31 06:30 | Martin Dimitrov v Ivan Penev | 1-6,6-3,6-3 |
| UTR Pro Tennis Series - Sófia | 2021/08/30 11:15 | Matias Zukas v Ivan Penev | 7-5,6-3 |
| UTR Pro Tennis Series - Sófia | 2021/08/29 12:30 | Ivan Penev v Alexandru Luca | 6-1,6-4 |
| ITF - Bulgária F1 | 2018/05/15 08:25 | Ivan Penev v Stefan Seifert | 4-6,2-6 |