Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Kiryat Shmona, Singles M-ITF-ISR-04A | 2019/08/25 07:00 | Bega, Alessandro v Deviatiarov, Marat | 6-2,1-6,6-4 |
| ITF Israel F8 | 2018/06/06 08:45 | Deviatiarov, Marat v Bega, Alessandro | 3-6,5-7 |
| ITF Israel F4 | 2018/04/29 11:30 | Bega, Alessandro v Deviatiarov, Marat | 6-3,6-1 |
| Egypt F14, Singles Qualifying | 2018/04/21 08:00 | Bega, Alessandro v Deviatiarov, Marat | 3-6,6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/03/25 07:30 | Deviatiarov, Marat v Makoto Ochi | 6-7,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/24 07:30 | Deviatiarov, Marat v Babji Siva Atturu | 6-2,6-0 |
| ITF - M15 Sharm El Sheikh | 2021/03/17 07:30 | Deviatiarov, Marat v Petros Chrysochos | 3-6,2-6 |
| ITF M15 Kazan | 2021/03/10 11:30 | Stepin, Alexander v Deviatiarov, Marat | 6-4,7-5 |
| ITF M15 St Petersburg | 2021/02/11 12:55 | Jan Choinski v Deviatiarov, Marat | 6-4,6-7,6-1 |
| ITF M15 St Petersburg | 2021/02/10 10:40 | Alibek Kachmazov v Deviatiarov, Marat | 2-6,4-6 |
| ITF M15 St Petersburg | 2021/02/04 11:45 | Deviatiarov, Marat v Ivan Gakhov | 6-1,2-6,3-6 |
| ITF M15 St Petersburg | 2021/02/02 08:20 | Deviatiarov, Marat v Mikhail Gorokhov | 6-1,6-3 |
| Challenger - Lugano | 2021/03/21 10:25 | Ryan Peniston v Bega, Alessandro | 6-3,6-0 |
| ATP - Acapulco | 2021/03/14 02:40 | Bega, Alessandro v Botic Van De Zandschulp | 6-7,1-6 |
| Challenger St. Petersburg | 2021/03/08 07:00 | Bega, Alessandro v Matija Pecotic | 3-6,3-6 |
| Challenger St. Petersburg Qual | 2021/03/07 07:00 | Bourchier, Harry v Bega, Alessandro | 2-6,3-6 |
| Challenger St. Petersburg | 2021/03/01 08:30 | Bega, Alessandro v Lucas Catarina | 2-6,3-6 |
| Challenger St. Petersburg | 2021/02/28 09:20 | Bega, Alessandro v Alexey Zakharov | 6-4,6-2 |
| ATP Singapore | 2021/02/21 06:20 | Christopher Eubanks v Bega, Alessandro | 6-1,6-2 |
| ATP Singapore | 2021/02/20 05:55 | Ornago, Fabrizio v Bega, Alessandro | 5-7,2-6 |