2021 Slovak Open II – Doubles
| Doubles | |
|---|---|
| 2021 Slovak Open II | |
| Champions | Filip Horanský Sergiy Stakhovsky |
| Runners-up | Denys Molchanov Aleksandr Nedovyesov |
| Score | 6–4, 6–4 |
Harri Heliövaara and Emil Ruusuvuori were the defending champions but chose not to defend their title.
Filip Horanský and Sergiy Stakhovsky won the title after defeating Denys Molchanov and Aleksandr Nedovyesov 6–4, 6–4 in the final.