2021 Biella Challenger VII – Singles

Thanasi Kokkinakis was the defending champion but chose not to defend his title.

Singles
2021 Biella Challenger VII
Champion	Holger Rune
Runner-up	Marco Trungelliti
Score	6–3, 5–7, 7–6(7–5)

Main article: 2021 Biella Challenger VII

Holger Rune won the title after defeating Marco Trungelliti 6–3, 5–7, 7–6^(7–5) in the final.

Seeds

1. Juan Pablo Varillas (second round)
2. Nikola Milojević (second round)
3. Daniel Altmaier (first round)
4. Danilo Petrović (first round, retired)
5. Frederico Ferreira Silva (second round)
6. Kacper Żuk (quarterfinals)
7. Martin Kližan (second round)
8. Lorenzo Giustino (second 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
		Felipe Meligeni Alves	3	6	3
		Marco Trungelliti	6	3	6
									Marco Trungelliti	3	7	65
								SE	Holger Rune	6	5	77
	SE	Holger Rune	7	2	6
		Tomás Martín Etcheverry	5	6	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	JP Varillas	6	6
		Z Kolář	3	1				1	JP Varillas	3	61
		R Olivo	6	6					R Olivo	6	77
		J Menezes	4	3												R Olivo	3	3
		R Marcora	3	1												F Meligeni Alves	6	6
		F Meligeni Alves	6	6					F Meligeni Alves	6	6
		A Collarini	5	6	4			7	M Kližan	2	4
	7	M Kližan	7	2	6																		F Meligeni Alves	3	6	3
	4	D Petrović	1	0r																			M Trungelliti	6	3	6
	Q	J Berrettini	6	2				Q	J Berrettini	5	6	6
		R Ramanathan	6	6					R Ramanathan	7	1	4
		B Kavčič	1	1											Q	J Berrettini	5	3
		M Trungelliti	6	6												M Trungelliti	7	6
	Q	H Grenier	0	2					M Trungelliti	6	6
	WC	L Nardi	6	4	1r			8	L Giustino	4	2
	8	L Giustino	2	6	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	F Ferreira Silva	6	7
		S Diez	3	5				5	F Ferreira Silva	6	63	2
		A Müller	6	6					A Müller	3	77	6
	WC	S Napolitano	4	1												A Müller	4	4
	SE	G Elias	1	6	6										SE	H Rune	6	6
	WC	F Cobolli	6	3	4			SE	G Elias	3	63
	SE	H Rune	6	64	77			SE	H Rune	6	77
	3	D Altmaier	2	77	65																	SE	H Rune	7	2	6
	6	K Żuk	6	6																			TM Etcheverry	5	6	2
	Q	R Brancaccio	4	2				6	K Żuk	7	7
		A Pellegrino	3	7	6				A Pellegrino	5	5
	Q	C Ugo Carabelli	6	5	1										6	K Żuk	4	3
		M Janvier	6	3	0											TM Etcheverry	6	6
		TM Etcheverry	4	6	6				TM Etcheverry	7	6
		L Lacko	2	3				2	N Milojević	5	3
	2	N Milojević	6	6

References

• Main draw
• Qualifying draw