2021 Nur-Sultan Challenger – Doubles

There were no defending champions as the last edition of the tournament was canceled due to the COVID-19 pandemic.

Denys Molchanov and Aleksandr Nedovyesov won the title after defeating Nathan Pasha and Max Schnur 6–4, 6–4 in the final.

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

• # 🇺🇸 Nathan Pasha / 🇺🇸 Max Schnur (final)

• # 🇩🇪 Julian Lenz / 🇪🇨 Roberto Quiroz (semifinals)

• # 🇨🇦 Peter Polansky / 🇨🇦 Brayden Schnur (quarterfinals)