2021 Bratislava Open – Doubles

Sander Gillé and Joran Vliegen were the defending champions but chose not to defend their title.

Denys Molchanov and Aleksandr Nedovyesov won the title after defeating Sander Arends and Luis David Martínez 7–6(7–5), 6–1 in the final.

Seeds
• # 🇺🇦 Denys Molchanov / 🇰🇿 Aleksandr Nedovyesov (champions)

• # Sander Arends / 🇻🇪 Luis David Martínez (final)

• # 🇧🇷 Orlando Luz / 🇧🇷 Rafael Matos (semifinals)

• # 🇨🇿 Roman Jebavý / 🇨🇿 Zdeněk Kolář (first round)