2021 Biella Challenger Indoor IV – Doubles

Quentin Halys and Tristan Lamasine were the defending champions but only Halys chose to defend his title, partnering Lucas Pouille. Halys lost in the quarterfinals to Purav Raja and Tristan-Samuel Weissborn.

Lloyd Glasspool and Matt Reid won the title after defeating Denys Molchanov and Sergiy Stakhovsky 6–3, 6–4 in the final.

Seeds
• # 🇰🇿 Andrey Golubev / 🇨🇿 Zdeněk Kolář (first round)

• # 🇲🇽 Miguel Ángel Reyes-Varela / 🇧🇷 Fernando Romboli (first round)

• # 🇫🇷 Benjamin Bonzi / Hugo Nys (semifinals)

• # 🇬🇧 Lloyd Glasspool / 🇦🇺 Matt Reid (champions)