2021 TK Sparta Prague Open – Doubles
| Doubles | |
|---|---|
| 2021 TK Sparta Prague Open | |
| Champions | Jonáš Forejtek Michael Vrbenský |
| Runners-up | Evgeny Karlovskiy Evgenii Tiurnev |
| Score | 6–1, 6–4 |
Tomasz Bednarek and Nikola Mektić were the defending champions but chose not to defend their title.
Jonáš Forejtek and Michael Vrbenský won the title after defeating Evgeny Karlovskiy and Evgenii Tiurnev 6–1, 6–4 in the final.