Czech Republic: Prague - Doubles - Main |
| Final | Polmans M./Stakhovsky S. | Sabanov I./Sabanov M. | 2:0 (6:3, 6:4) | details | 08.05.2021 |
| Semi-finals | Polmans M./Stakhovsky S. | Kudla D./Schnur M. | 2:0 (6:1, 6:2) | details | 07.05.2021 |
| Quarter-finals | Molchanov D./Nedovyesov A. | Polmans M./Stakhovsky S. | 1:2 (6:3, 1:6, 7:10) | details | 06.05.2021 |
| 1/8-finals | Istomin D./Vasilevski A. | Polmans M./Stakhovsky S. | 1:2 (4:6, 6:2, 7:10) | details | 05.05.2021 |
Czech Republic: Ostrava - Doubles - Main |
| Final | Polmans M./Stakhovsky S. | Paulson A./Rikl P. | 2:1 (7:64, 3:6, 10:7) | details | 01.05.2021 |
| Semi-finals | Kolar Z./Rosol L. | Polmans M./Stakhovsky S. | 1:2 (6:3, 2:6, 7:10) | details | 30.04.2021 |
| Quarter-finals | Drzewiecki K./Walkow S. | Polmans M./Stakhovsky S. | 0:2 (66:7, 5:7) | details | 29.04.2021 |
| 1/8-finals | Miedler L./Safwat M. | Polmans M./Stakhovsky S. | 1:2 (6:4, 65:7, 1:10) | details | 28.04.2021 |