2021 Biella Challenger Indoor III

The 2021 Biella Challenger Indoor III was a professional tennis tournament played on hard courts. It was the 3rd edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 8 and 14 March 2021.

Seeds

 * 1 Rankings are as of 1 March 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇹 Stefano Napolitano
 * 🇮🇹 Luca Nardi
 * 🇮🇹 Giulio Zeppieri

The following player received entry into the singles main draw using a protected ranking:
 * 🇩🇪 Dustin Brown

The following players received entry from the qualifying draw:
 * 🇮🇹 Andrea Arnaboldi
 * 🇩🇪 Matthias Bachinger
 * 🇨🇿 Jonáš Forejtek
 * 🇦🇺 Akira Santillan

The following player received entry as a lucky loser:
 * 🇩🇪 Julian Lenz

Singles

 * 🇮🇹 Andreas Seppi def. 🇬🇧 Liam Broady 6–2, 6–1.

Doubles

 * 🇫🇷 Quentin Halys / 🇫🇷 Tristan Lamasine def. 🇺🇦 Denys Molchanov / 🇺🇦 Sergiy Stakhovsky 6–1, 2–0 ret.