Kazakhstan: Nur-Sultan 4 - Doubles - Main |
| Semi-finals | Polansky P./Stakhovsky S. | Krutykh O./Lomakin G. | 1:2 (3:6, 7:67, 7:10) | details | 23.07.2021 |
| Quarter-finals | Polansky P./Stakhovsky S. | Khabibulin T./Zhukayev B. | 2:0 (6:4, 6:2) | details | 22.07.2021 |
Kazakhstan: Nur-Sultan 3 - Doubles - Main |
| Final | Polansky P./Stakhovsky S. | Hsu Y. H./Lock B. | 1:2 (6:2, 1:6, 7:10) | details | 17.07.2021 |
| Semi-finals | Polansky P./Stakhovsky S. | Bega A./Denolly C. | 2:1 (3:6, 6:4, 10:8) | details | 16.07.2021 |
| Quarter-finals | Polansky P./Stakhovsky S. | Chung Y./Sultanov K. | 2:0 (6:2, 6:3) | details | 15.07.2021 |
| 1/8-finals | Polansky P./Stakhovsky S. | Dubrivnyy A./Lomakin G. | 2:1 (6:4, 3:6, 10:6) | details | 14.07.2021 |