| UTR Pro Tennis Series Barcelona | 2021/11/26 16:30 | Marat Deviatiarov v Anthony Genov | 6-7,6-1,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 11:10 | Marat Deviatiarov v Fermin Calvo Barcelo | 2-6,6-4,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/25 16:00 | Alvaro Bueno Gil v Marat Deviatiarov | 0-6,4-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/25 08:00 | Ignasi De Rueda De Genover v Marat Deviatiarov | 7-6,6-6 |
| ITF M15 Sharm El Sheikh | 2021/10/22 07:55 | Marat Deviatiarov v Lukas Krainer | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/10/21 08:00 | Marat Deviatiarov v Neil Oberleitner | 6-3,7-5 |
| ITF M15 Sharm El Sheikh | 2021/10/20 12:25 | Marat Deviatiarov v Andrea Guerrieri | 6-4,6-0 |
| ITF M15 Sharm El Sheikh | 2021/10/14 10:35 | Gabriel Decamps v Marat Deviatiarov | 6-4,5-7,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 11:30 | Sergio Davila Godoy v Diego Barreto | 4-6,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 08:00 | Sergio Davila Godoy v Stefanos Sakellaridis | 6-2,4-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/25 13:00 | Saba Purtseladze v Sergio Davila Godoy | 6-4,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/23 10:30 | David Redondo v Sergio Davila Godoy | 4-6,4-5 |
| ITF M25 Setubal | 2021/10/04 15:10 | Raphael Calzi v Sergio Davila Godoy | 6-3,6-0 |
| ITF M25 Setubal | 2021/10/03 14:00 | Sergio Davila Godoy v Afonso Portugal | 6-1,6-2 |