Round: 27 Ground: Hardcourt outdoor
| Challenger - Nur-Sultan - Herrendoppel | 2021/02/25 09:40 | Metreveli/Popko v Pasha/Schnur | 5-7,6-7 |
| Challenger - Nur-Sultan - Herrendoppel | 2021/02/24 04:00 | Metreveli/Popko v Bondarevskiy/Palan | 6-3,6-4 |
| Challenger - Nur-Sultan - Herrendoppel | 2021/03/03 10:30 | Bondarevskiy/Kachmazov v Nedovyesov/Troicki | 0-6,1-6 |