2021 Biella Challenger VI – Singles

Juan Pablo Varillas was the defending champion but chose not to defend his title.

Singles
2021 Biella Challenger VI
Champion	Thanasi Kokkinakis
Runner-up	Enzo Couacaud
Score	6–3, 6–4

Main article: 2021 Biella Challenger VI

Thanasi Kokkinakis won the title after defeating Enzo Couacaud 6–3, 6–4 in the final.

Seeds

1. Paolo Lorenzi (first round)
2. Zhang Zhizhen (semifinals)
3. Enzo Couacaud (final)
4. Alexandre Müller (quarterfinals)
5. Dmitry Popko (first round)
6. Alex Bolt (first round)
7. João Menezes (first round)
8. Bjorn Fratangelo (quarterfinals)

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

Finals

	Semifinals							Final
	Q	Tomás Martín Etcheverry	1	7	4
	3	Enzo Couacaud	6	5	6
								3	Enzo Couacaud	3	4
									Thanasi Kokkinakis	6	6
		Thanasi Kokkinakis	6	4	6
	2	Zhang Zhizhen	2	6	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/WC	P Lorenzi	0	65
	Q	TM Etcheverry	6	77				Q	TM Etcheverry	4	77	4
		F Meligeni Alves	6	6					F Meligeni Alves	6	60	0r
		J Clarke	3	3											Q	TM Etcheverry	6	6
		T Lamasine	5	6	1											F Mena	3	2
		D Kuzmanov	7	4	6				D Kuzmanov	2	78	1
		F Mena	6	6					F Mena	6	66	6
	7	J Menezes	3	4																		Q	TM Etcheverry	1	7	4
	3	E Couacaud	6	6																		3	E Couacaud	6	5	6
		T Kamke	4	2				3	E Couacaud	77	5	6
	Q	T van Rijthoven	6	6				Q	T van Rijthoven	64	7	2
	Q	Omar Giacalone	2	2											3	E Couacaud	6	65	6
		A Collarini	6	6											8	B Fratangelo	1	77	3
		M Copil	2	1					A Collarini	6	62	0r
		C İlkel	2	4				8	B Fratangelo	1	77	3
	8	B Fratangelo	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	A Bolt	79	1	3
	WC	S Napolitano	67	6	6			WC	S Napolitano	3	4
		D Istomin	6	2	3				T Kokkinakis	6	6
		T Kokkinakis	3	6	6											T Kokkinakis	6	77
		R Cid Subervi	5	3											4	A Müller	4	61
	Q	R Bonadio	7	6				Q	R Bonadio	0	64
		M Viola	6	3	1			4	A Müller	6	77
	4	A Müller	4	6	6																		T Kokkinakis	6	4	6
	5	D Popko	2	6	62																	2	Zh Zhang	2	6	3
		T-S Kwiatkowski	6	1	77				T-S Kwiatkowski	6	77
		E Benchetrit	4	4					U Blanch	4	63
		U Blanch	6	6												T-S Kwiatkowski	4	65
		M Krueger	4	3											2	Zh Zhang	6	77
	WC	F Cobolli	6	6				WC	F Cobolli	6	4	2
		B Gojo	3	6	2			2	Zh Zhang	4	6	6
	2	Zh Zhang	6	4	6

References

• Main draw
• Qualifying draw