Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/13 10:00 | Patael, Ben v Sandro Kopp | 6-0,6-0 |
| ITF M15 Sozopol | 2021/10/07 09:30 | Ilya Snitari v Patael, Ben | 6-3,6-2 |
| ITF M15 Sozopol | 2021/10/06 09:00 | Dimic, Matic v Patael, Ben | 2-6,3-6 |
| ITF M15 Castelo Branco | 2021/07/28 10:15 | Patael, Ben v Cabral, Francisco | 6-7,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/21 08:00 | Patael, Ben v Robin Bertrand | 1-6,3-6 |
| ITF M15 Almada | 2021/07/08 10:55 | Duarte Vale v Patael, Ben | 6-2,6-4 |
| ITF M15 Almada | 2021/07/06 08:30 | Diogo Marques v Patael, Ben | 3-6,5-7 |
| ITF M25 Bakio | 2021/06/29 14:30 | Nicolas Alvarez Varona v Patael, Ben | 5-7,6-1,4-6 |
| ITF M15 Sozopol | 2021/10/13 10:00 | Ivanov, Simon Anthony v Petr Nesterov | 3-6,2-6 |
| ITF M15 Sozopol | 2021/10/05 10:00 | Alexandar Lazarov v Petr Nesterov | 6-1,6-1 |
| ITF M15 Sozopol | 2021/09/16 10:05 | Tommaso Compagnucci v Petr Nesterov | 6-2,6-0 |
| ITF M15 Sozopol | 2021/09/15 07:00 | Petr Nesterov v Caspar Schuetze | 6-1,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 06:00 | Petr Nesterov v Valentin Vanta | 6-2,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/14 09:00 | Petr Nesterov v Dzhavakian, Yurii | 7-6,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 07:30 | Petr Nesterov v Lazov, Alexander | 6-4,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 10:30 | Petr Nesterov v Arthus De La Bassetiere | 6-3,7-5 |