2021 Saint Petersburg Challenger – Doubles

This was the first edition of the tournament.

Christopher Eubanks and Roberto Quiroz won the title after defeating Jesper de Jong and Sem Verbeek 6–4, 6–3 in the final.

Seeds
• # Jesper de Jong / Sem Verbeek (final)

• # 🇺🇸 Christopher Eubanks / 🇪🇨 Roberto Quiroz (champions)

• # 🇷🇺 Teymuraz Gabashvili / 🇷🇺 Konstantin Kravchuk (quarterfinals)

• # 🇮🇳 Arjun Kadhe / Benjamin Lock (quarterfinals)