2021 Biella Challenger Indoor
Date	8–14 February
Edition	1st
Draw	32S / 16D
Surface	Hard (Indoor)
Location	Biella, Italy
Champions
Singles
Illya Marchenko
Doubles
Luis David Martínez / David Vega Hernández
Biella Challenger Indoor · 2021 →

The 2021 Biella Challenger Indoor was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 8 and 14 February 2021.

Country	Player	Rank1	Seed
GBR	Andy Murray	124	1
ITA	Federico Gaio	138	2
EGY	Mohamed Safwat	147	3
ITA	Lorenzo Giustino	154	4
SVK	Martin Kližan	156	5
SLO	Blaž Rola	158	6
SVK	Filip Horanský	163	7
KAZ	Dmitry Popko	168	8

• ¹ Rankings are as of 1 February 2021.^[1]

The following players received wildcards into the singles main draw:

• Adrian Andreev
• Andy Murray
• Luca Vanni

The following players received entry from the qualifying draw:

• Giovanni Fonio
• Fabrizio Ornago
• Jelle Sels
• Tim van Rijthoven

• Illya Marchenko def. Andy Murray 6–2, 6–4.

• Luis David Martínez / David Vega Hernández def. Szymon Walków / Jan Zieliński 6–4, 3–6, [10–8].