Doubles
2021 Biella Challenger VII
Champions	Tomás Martín Etcheverry Renzo Olivo
Runners-up	Luis David Martínez David Vega Hernández
Score	3–6, 6–3, [10–8]

Evan King and Julian Lenz were the defending champions^[1] but only King chose to defend his title, partnering Jan Zieliński. King lost in the first round to Franco Agamenone and Omar Giacalone.

Tomás Martín Etcheverry and Renzo Olivo won the title after defeating Luis David Martínez and David Vega Hernández 3–6, 6–3, [10–8] 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	R Matos F Meligeni Alves
		F Ferreira Silva K Żuk	w/o						F Ferreira Silva K Żuk	6	6
		A Collarini S Galdós	66	4					H Grenier A Müller	2	3
		H Grenier A Müller	78	6												F Ferreira Silva K Żuk	1	3
	4	J Cerretani Z Kolář	3	5												TM Etcheverry R Olivo	6	6
		TM Etcheverry R Olivo	6	7					TM Etcheverry R Olivo	6	6
		F Baldi R Marcora	0	5					S Diez M Trungelliti	2	4
		S Diez M Trungelliti	6	7																			TM Etcheverry R Olivo	3	6	[10]
	WC	J Berrettini F Cobolli	6	7																		2	LD Martínez D Vega Hernández	6	3	[8]
		A Dougaz C Ugo Carabelli	4	5				WC	J Berrettini F Cobolli	69	5
	WC	M Bortolotti L Vanni	1	67				3	S Balaji R Ramanathan	711	7
	3	S Balaji R Ramanathan	6	79											3	S Balaji R Ramanathan	2	4
		E King J Zieliński	6	4	[7]										2	LD Martínez D Vega Hernández	6	6
	WC	F Agamenone Omar Giacalone	3	6	[10]			WC	F Agamenone O Giacalone
		G Blancaneaux M Janvier	4	64				2	LD Martínez D Vega Hernández	w/o
	2	LD Martínez D Vega Hernández	6	77

References

• Main draw