Stadion: Court 13 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 - Kazan - Herrendoppel | 2021/03/09 14:55 | Kudriashov/Zhzhenov v Cozbinov/Deviatiarov | 6-7,6-3,10-4 |
| ITF - M15 - St. Petersburg - Herrendoppel | 2021/02/09 13:40 | Paulson/Rikl v Cozbinov/Deviatiarov | 6-4,6-4 |
| ITF - M15 - St. Petersburg - Herrendoppel | 2021/02/06 10:00 | Cozbinov/Deviatiarov v Paulson/Rikl | 6-4,4-6,8-10 |
| ITF - M15 - St. Petersburg - Herrendoppel | 2021/02/05 12:40 | Cozbinov/Deviatiarov v Dubrivnyy/Zakharov | 7-6,6-0 |
| ITF - M15 - St. Petersburg - Herrendoppel | 2021/02/04 15:55 | Golubev/Tiurnev v Cozbinov/Deviatiarov | 6-1,1-6,6-10 |