Stadium: Court 2 Round: 28 Ground: Clay
| Challenger Prague MD | 2021/05/06 13:30 | Molchanov/Nedovyesov v Polmans/Stakhovsky | 6-3,1-6,7-10 |
| Challenger Prague MD | 2021/05/05 12:25 | Istomin/Vasilevski v Polmans/Stakhovsky | 4-6,6-2,7-10 |
| Challenger Ostrava MD | 2021/05/01 11:40 | Polmans/Stakhovsky v Paulson/Rikl | 7-6,3-6,10-7 |
| Challenger Ostrava MD | 2021/04/30 12:55 | Kolar/Rosol v Polmans/Stakhovsky | 6-3,2-6,7-10 |
| Challenger Ostrava MD | 2021/04/29 14:25 | Drzewiecki/Walkow v Polmans/Stakhovsky | 6-7,5-7 |
| Challenger Ostrava MD | 2021/04/28 12:50 | Miedler/Safwat v Polmans/Stakhovsky | 6-4,6-7,1-10 |
| Challenger Prague MD | 2021/05/06 14:00 | Jebavy/Martin v Kudla/Schnur | 4-6,4-6 |
| Challenger Prague MD | 2021/05/05 10:35 | Satral/Stanek v Kudla/Schnur | 7-6,3-6,8-10 |