Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
| ITF M15 Kazan | 2021/11/24 07:00 | Oscar Galimardanov v Atlangeriev, Bekkhan | 5-7,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/13 13:00 | Dhoe, Benjamin v Atlangeriev, Bekkhan | 4-6,6-4,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/12 15:30 | Atlangeriev, Bekkhan v Andres F Canovas | 6-3,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 15:30 | Atlangeriev, Bekkhan v Roger Pascual Ferra | 4-6,4-5 |
| UTR Pro Tennis Series Barcelona | 2021/11/09 09:30 | Atlangeriev, Bekkhan v Aleksandre Metreveli | 4-6,6-1,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/11/08 11:00 | Kuzey Cekirge v Atlangeriev, Bekkhan | 6-1,3-6,6-2 |
| Challenger - Barcelone | 2021/10/04 13:00 | Matteo Martineau v Atlangeriev, Bekkhan | 6-0,6-1 |
| Challenger - Barcelone | 2021/10/03 11:45 | Atlangeriev, Bekkhan v Benjamin Hassan | 6-2,3-6,6-1 |
| ITF M15 Kazan | 2021/11/24 07:00 | Novikov, Egor v Ratniuk, Maxim | 1-6,6-0,1-6 |
| ITF M15 St Petersburg | 2021/04/14 07:00 | Ratniuk, Maxim v Deviatiarov, Marat | 7-6,6-7,6-7 |
| ITF M15 St Petersburg | 2021/04/08 07:00 | Ratniuk, Maxim v Dubrivnyy, Artem | 2-6,1-6 |
| ITF M15 St Petersburg | 2021/04/05 08:30 | Ratniuk, Maxim v Kiyamov, Timur | 6-4,6-7,12-10 |
| ITF M15 St Petersburg | 2021/04/04 07:00 | Ratniuk, Maxim v Maksim Starostin | 6-4,6-0 |
| ITF M15 Kazan | 2021/03/11 08:00 | Alexandr Binda v Ratniuk, Maxim | 4-6,6-3,6-4 |
| ITF M15 Kazan | 2021/03/10 13:40 | Ratniuk, Maxim v Zhurbin, Alexander | 6-0,6-3 |
| ITF M15 St Petersburg | 2021/02/10 06:50 | Dubrivnyy, Artem v Ratniuk, Maxim | 6-2,6-3 |