2021 Biella Challenger Indoor II – Doubles

Doubles
Doubles
2021 Biella Challenger Indoor II
Champions	Hugo Nys; Tim Pütz
Runners-up	Lloyd Glasspool; Harri Heliövaara
Score	7–6(7–4), 6–3

This was the second of seven editions of the tournament in the 2021 tennis season.^[1] Luis David Martínez and David Vega Hernández were the defending champions but lost in the quarterfinals to Nathaniel Lammons and Jackson Withrow.

Hugo Nys and Tim Pütz won the title after defeating Lloyd Glasspool and Harri Heliövaara 7–6^(7–4), 6–3 in the final.

Seeds

First round					Quarterfinals				Semifinals				Final

1	H Nys T Pütz	3	6	[10]
	E King H Reese	6	4	[5]	1	H Nys T Pütz	6	6
	R Arneodo A Olivetti	6	6³	[10]		R Arneodo A Olivetti	2	4
	D Molchanov A Nedovyesov	3	7⁷	[6]					1	H Nys T Pütz	w/o
3	A Göransson D Pel	5	4							T Huey S Verbeek
	T Huey S Verbeek	7	6			T Huey S Verbeek	6	6
WC	T Fabbiano M Gigante	3	6	[10]	WC	L Nardi G Zeppieri	4	3
WC	L Nardi G Zeppieri	6	3	[12]									1	H Nys T Pütz	7⁷	6
	LD Martínez D Vega Hernández	6⁷	7	[10]										L Glasspool H Heliövaara	6⁴	3
WC	S Napolitano L Vanni	7⁹	5	[7]		LD Martínez D Vega Hernández	5	4
	K Majchrzak N Pasha	4	4		4	N Lammons J Withrow	7	6
4	N Lammons J Withrow	6	6						4	N Lammons J Withrow	6⁴	6⁶
	R Galloway A Lawson	7⁷	3	[8]						L Glasspool H Heliövaara	7⁷	7⁸
	L Glasspool H Heliövaara	6²	6	[10]		L Glasspool H Heliövaara	6	6
	A Davidovich Fokina B Zapata Miralles	6	7			A Davidovich Fokina B Zapata Miralles	3	4
2	J Erlich A Vasilevski	4	5