2021 Biella Challenger V – Singles

Daniel Masur was the defending champion but chose not to defend his title.

Singles
2021 Biella Challenger V
Champion	Juan Pablo Varillas
Runner-up	Guido Andreozzi
Score	6–3, 6–1

Main article: 2021 Biella Challenger V

Juan Pablo Varillas won the title after defeating Guido Andreozzi 6–3, 6–1 in the final.

Seeds

1. Pedro Sousa (first round)
2. Hugo Dellien (second round)
3. Mackenzie McDonald (second round)
4. Cedrik-Marcel Stebe (first round)
5. Federico Gaio (quarterfinals)
6. Hugo Gaston (first round)
7. Juan Pablo Varillas (champion)
8. Go Soeda (first round)

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
	7	Juan Pablo Varillas	6	2	6
		Alexandre Müller	2	6	2
								7	Juan Pablo Varillas	6	6
								Q	Guido Andreozzi	3	1
	Q	Guido Andreozzi	7	6
	Alt	Andrea Collarini	5	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	P Sousa	63	4
		J Menezes	77	6					J Menezes	7	2	6
	WC	H Međedović	7	77				WC	H Međedović	5	6	4
		R Bemelmans	5	64												J Menezes	4	3
	LL	D Kuzmanov	6	1	6										7	JP Varillas	6	6
		L Giustino	3	6	3			LL	D Kuzmanov	1	7	60
		A Giannessi	4	5				7	JP Varillas	6	5	77
	7	JP Varillas	6	7																		7	JP Varillas	6	2	6
	3	M McDonald	3	6	6																		A Müller	2	6	2
		JM Cerúndolo	6	4	3			3	M McDonald	77	2	4
	WC	L Vanni	67	0					L Mayer	60	6	6
		L Mayer	79	6												L Mayer	3	4
		Zh Zhang	4	6	6											A Müller	6	6
	Q	F Meligeni Alves	6	4	4				Zh Zhang	3	77	5
		A Müller	1	6	6				A Müller	6	64	7
	6	H Gaston	6	3	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	G Soeda	2	1
	Q	M Marterer	6	6				Q	M Marterer	3	3
	Alt	J Clarke	7	6				Alt	J Clarke	6	6
	Q	V Galović	5	2											Alt	J Clarke	6	3	5
	Q	G Andreozzi	6	7											Q	G Andreozzi	3	6	7
		K Coppejans	2	5				Q	G Andreozzi	3	6	6
	LL	MT Barrios Vera	6	6				LL	MT Barrios Vera	6	3	3
	4	C-M Stebe	2	4																		Q	G Andreozzi	7	6
	5	F Gaio	63	77	6																	Alt	A Collarini	5	2
		P Lorenzi	77	64	2			5	F Gaio	6	6
		F Horanský	2	4					J Domingues	4	3
		J Domingues	6	6											5	F Gaio	6	4	1
	Alt	A Collarini	6	6											Alt	A Collarini	4	6	6
		A Bolt	2	2				Alt	A Collarini	6	7
	WC	S Napolitano	0	7	1			2	H Dellien	1	5
	2	H Dellien	6	5	6

References

• Main draw
• Qualifying draw