Stadium: Court 5 Round: 26 Ground: Clay
| Challenger Nur-Sultan MD | 2021/03/04 08:50 | Polansky/Schnur v Lomakin/Manafov | 6-3,6-2 |
| Challenger Nur-Sultan MD | 2021/03/03 07:30 | Polansky/Schnur v Fomin/Tashbulatov | 6-2,7-6 |
| Challenger Nur-Sultan MD | 2021/02/25 11:30 | Istomin/Yevseyev v Polansky/Schnur | 6-0,6-3 |
| Challenger Nur-Sultan MD | 2021/02/23 13:15 | Skatov/Tashbulatov v Polansky/Schnur | 2-6,1-6 |
| Challenger Potchefstroom MD | 2021/02/13 12:30 | Polansky/Schnur v Huesler/Kolar | 4-6,6-2,4-10 |
| Challenger Potchefstroom MD | 2021/02/12 13:55 | Klaasen/Roelofse v Polansky/Schnur | 3-6,4-6 |
| Challenger Potchefstroom MD | 2021/02/11 12:05 | Polansky/Schnur v Kuzmanov/Quiroz | 7-6,3-6,10-8 |
| Challenger Potchefstroom MD | 2021/02/10 11:30 | Gabashvili/Vervoort v Polansky/Schnur | 3-6,6-7 |