stadio: Court 4 Round: 44 Ground: Clay
| ITF M15 Sozopol | 2021/09/14 07:00 | Plamen Milushev v Samuil Konov | 6-4,6-3 |
| ITF M15 Sozopol | 2021/09/13 08:00 | Samuil Konov v Adrian Mateo Bejenaru | 6-4,6-4 |
| ITF M15 Sozopol | 2021/09/12 11:00 | Samuil Konov v Denislav Prodanov | 6-2,6-0 |
| UTR Pro Tennis Series Sofia | 2021/09/02 11:30 | Ivailo Keremedchiev v Samuil Konov | 3-6,7-6,5-2 |
| UTR Pro Tennis Series Sofia | 2021/09/01 11:00 | Samuil Konov v Ivan Penev | 4-6,6-1,6-0 |
| UTR Pro Tennis Series Sofia | 2021/08/31 06:30 | Samuil Konov v Matias Zukas | 3-6,1-6 |
| UTR Pro Tennis Series Sofia | 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 M15 Pirot | 2021/09/19 12:30 | Anthony Genov v Kristijan Juhas | 4-6,2-6 |
| ITF M15 Zlatibor | 2021/09/13 08:00 | Kristijan Juhas v Kristof Minarik | 2-6,6-2,5-10 |
| ITF M15 Novi Sad | 2021/08/01 12:15 | Domagoj Biljesko v Kristijan Juhas | 7-5,6-4 |
| ITF M25 Belgrado | 2021/06/29 10:50 | Kristijan Juhas v Nick Hardt | 2-6,1-6 |
| ITF M15 Skopje | 2021/06/07 09:30 | Plamen Milushev v Kristijan Juhas | 6-4,2-6,10-6 |
| ITF M15 Brcko | 2021/05/19 10:25 | Luka Pavlovic v Kristijan Juhas | 6-4,6-4 |
| ITF M15 Prijedor | 2021/05/14 08:15 | Kristijan Juhas v Gergely Madarasz | 4-6,6-7 |
| ITF M15 Prijedor | 2021/05/13 11:40 | Kristijan Juhas v Federico Campana | 6-3,3-6,6-4 |