Stadium: Center Court Round: 27 Ground: Hardcourt outdoor
| Challenger Nur-Sultan MD | 2021/02/23 11:00 | Silva/Machac v Istomin/Yevseyev | 6-3,5-7,7-10 |
| 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 |
| Challenger Monterrey MD | 2020/03/05 00:35 | Luz/Matos v Polansky/Schnur | 6-7,7-5,12-10 |
| Challenger Dallas MD | 2020/02/08 20:00 | Novikov/Oliveira v Polansky/Schnur | 7-5,6-3 |
| Challenger Dallas MD | 2020/02/06 22:30 | Polansky/Schnur v Eubanks/Korda | 6-4,6-2 |