Doubles
2021 Biella Challenger VI
Champions	Evan King Julian Lenz
Runners-up	Karol Drzewiecki Sergio Martos Gornés
Score	3–6, 6–3, [11–9]

André Göransson and Nathaniel Lammons were the defending champions^[1] but chose not to defend their title.

Evan King and Julian Lenz won the title after defeating Karol Drzewiecki and Sergio Martos Gornés 3–6, 6–3, [11–9] in the final.

Seeds

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	E King J Lenz	64	6	[10]
		E Benchetrit J Clarke	77	4	[7]			1	E King J Lenz	6	3	[10]
		A Bolt A Santillan	1	1				WC	M Bortolotti C Rodríguez	4	6	[8]
	WC	M Bortolotti C Rodríguez	6	6											1	E King J Lenz	7	78
	4	S Galdós F Zeballos	6	1	[9]										WC	F Cobolli F Passaro	5	66
		B Gojo Zh Zhang	4	6	[11]				B Gojo Zh Zhang	65	6	[1]
	WC	F Cobolli F Passaro	6	6				WC	F Cobolli F Passaro	77	4	[10]
	WC	V Galović N Serdarušić	4	3																		1	E King J Lenz	3	6	[11]
		R Cid Subervi T-S Kwiatkowski	2	6	[5]																	2	K Drzewiecki S Martos Gornés	6	3	[9]
		B Fratangelo M Krueger	6	4	[10]				B Fratangelo M Krueger	w/o
		G Blancaneaux E Couacaud	77	3	[5]			3	F Meligeni Alves J Menezes
	3	F Meligeni Alves J Menezes	64	6	[10]											B Fratangelo M Krueger	2	4
		A Collarini TM Etcheverry	2	65											2	K Drzewiecki S Martos Gornés	6	6
	Alt	J Cerretani VV Cornea	6	77				Alt	J Cerretani VV Cornea	6	3	[4]
		F Mena D Popko	3	6	[4]			2	K Drzewiecki S Martos Gornés	3	6	[10]
	2	K Drzewiecki S Martos Gornés	6	4	[10]

References

• Main draw