2021 Biella Challenger Indoor III – Singles

Kwon Soon-woo was the defending champion but chose not to defend his title.

Singles
2021 Biella Challenger Indoor III
Champion	Andreas Seppi
Runner-up	Liam Broady
Score	6–2, 6–1

Main article: 2021 Biella Challenger Indoor III

Andreas Seppi won the title after defeating Liam Broady 6–2, 6–1 in the final.

Seeds

1. James Duckworth (first round)
2. Andreas Seppi (champion)
3. Yūichi Sugita (first round)
4. Yasutaka Uchiyama (first round)
5. Peter Gojowczyk (quarterfinals, retired)
6. Jurij Rodionov (quarterfinals)
7. Marc-Andrea Hüsler (first round)
8. Martin Kližan (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
		Illya Marchenko	3	62
		Liam Broady	6	77
									Liam Broady	2	1
								2	Andreas Seppi	6	6
		Robin Haase	1	5
	2	Andreas Seppi	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Duckworth	4	3
	Q	A Arnaboldi	6	6				Q	A Arnaboldi	2	5
		T-l Wu	4	62					I Marchenko	6	7
		I Marchenko	6	77												I Marchenko	6	6
	Q	J Forejtek	6	6											Q	J Forejtek	4	1
		T Kamke	3	3				Q	J Forejtek	78	6
	Q	A Santillan	7	3	6			Q	A Santillan	66	3
	7	M-A Hüsler	5	6	3																		I Marchenko	3	62
	3	Y Sugita	2	2																			L Broady	6	77
	WC	L Nardi	6	6				WC	L Nardi	3	4
		L Broady	77	6					L Broady	6	6
	LL	J Lenz	61	4												L Broady	6	6
		Z Kolář	6	77											6	J Rodionov	4	3
		Y Maden	2	64					Z Kolář	2	6	67
		A Vukic	4	4				6	J Rodionov	6	4	79
	6	J Rodionov	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	M Kližan	1	1
	Q	M Bachinger	6	6				Q	M Bachinger	2	4
		D Masur	77	3	2				R Haase	6	6
		R Haase	65	6	6											R Haase	6	6
		B Schnur	6	6												B Schnur	3	4
	WC	S Napolitano	2	4					B Schnur	6	6
		L Giustino	7	6					L Giustino	4	2
	4	Y Uchiyama	5	4																			R Haase	1	5
	5	P Gojowczyk	65	6	6																	2	A Seppi	6	7
	WC	G Zeppieri	77	0	1			5	P Gojowczyk	65	6	77
	PR	D Brown	1	4					Q Halys	77	1	64
		Q Halys	6	6											5	P Gojowczyk	1r
		H Grenier	4	2											2	A Seppi	3
		T Lamasine	6	6					T Lamasine	6	1	64
		S Stakhovsky	2	4				2	A Seppi	1	6	77
	2	A Seppi	6	6

External links

• Main draw
• Qualifying draw