Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF - St Petersburg M15 | 2021/04/05 08:30 | Maxim Ratniuk v Timur Kiyamov | 6-4,6-7,12-10 |
| ITF - St Petersburg M15 | 2021/04/04 07:00 | Maxim Ratniuk v Maksim Starostin | 6-4,6-0 |
| ITF - Kazań M15 | 2021/03/11 08:00 | Alexandr Binda v Maxim Ratniuk | 4-6,6-3,6-4 |
| ITF - Kazań M15 | 2021/03/10 13:40 | Maxim Ratniuk v Alexander Zhurbin | 6-0,6-3 |
| ITF - St Petersburg M15 | 2021/02/10 06:50 | Artem Dubrivnyy v Maxim Ratniuk | 6-2,6-3 |
| ITF - St Petersburg M15 | 2021/02/08 10:05 | Maxim Ratniuk v Evgeny Philippov | 6-3,6-3 |
| ITF - St Petersburg M15 - Kwalifikacje | 2021/02/07 15:30 | Maxim Ratniuk v Alexander Ovcharov | 6-1,6-3 |
| ITF - St Petersburg M15 | 2021/02/03 08:35 | Alexander Vasilenko v Maxim Ratniuk | 6-1,6-4 |
| ITF - Kazań M15 | 2021/03/09 12:15 | Alexey Zakharov v Igor Kudriashov | 4-6,6-2,6-3 |
| ITF - Nur-Sultan M15 | 2021/02/03 06:05 | Eric Vanshelboim v Igor Kudriashov | 6-4,7-5 |
| ITF - Antalya M15 | 2021/01/11 07:00 | Igor Kudriashov v Evgeny Philippov | 7-5,2-6,14-12 |
| ITF - Kazań M15 | 2020/03/10 07:00 | Igor Kudriashov v Alexander Stepin | 4-6,2-6 |
| ITF - Kazań M15 | 2020/03/09 07:00 | Gleb Blekher v Igor Kudriashov | 2-6,6-3,8-10 |
| ITF - Antalya M15 | 2020/01/29 09:30 | Dragos Dima v Igor Kudriashov | 6-2,6-4 |