2021 Cary Challenger – Singles

Denis Kudla was the defending champion^[1] but chose not to defend his title.

Singles
2021 Cary Challenger
Champion	Mitchell Krueger
Runner-up	Ramkumar Ramanathan
Score	7–6(7–4), 6–2

Main article: 2021 Cary Challenger

Mitchell Krueger won the title after defeating Ramkumar Ramanathan 7–6^(7–4), 6–2 in the final.

Seeds

1. Jenson Brooksby (withdrew)
2. Prajnesh Gunneswaran (quarterfinals)
3. Maxime Cressy (second round)
4. Bjorn Fratangelo (first round)
5. Lukáš Lacko (first round)
6. Mitchell Krueger (champion)
7. Christopher Eubanks (quarterfinals)
8. Ramkumar Ramanathan (final)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	6	Mitchell Krueger	6	6
	WC	Govind Nanda	3	2
								6	Mitchell Krueger	77	6
								8	Ramkumar Ramanathan	64	2
		Stefan Kozlov	6	3	1
	8	Ramkumar Ramanathan	1	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	Q	GA Olivieri	4	6	7
		S Mukund	6	2	5			Q	GA Olivieri	78	6
		R Cid Subervi	3	7	6				R Cid Subervi	66	0
		G Villanueva	6	5	1										Q	GA Olivieri	2	6	3
	Q	S Mochizuki	4	78	4										6	M Krueger	6	2	6
	LL	A McHugh	6	66	6			LL	A McHugh	1	62
	WC	W Blumberg	6	3	64			6	M Krueger	6	77
	6	M Krueger	4	6	77																	6	M Krueger	6	6
	4	B Fratangelo	65	6	3																	WC	G Nanda	3	2
		B Schnur	77	3	6				B Schnur	6	5	5
		R Quiroz	2	3				WC	G Nanda	3	7	7
	WC	G Nanda	6	6											WC	G Nanda	2	77	6
		C Harrison	6	6												C Harrison	6	62	3
		Shuichi Sekiguchi	4	4					C Harrison	7	6
		M Torpegaard	6	6					M Torpegaard	5	2
	5	L Lacko	4	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	C Eubanks	7	6
		P Chrysochos	5	3				7	C Eubanks	77	7
		J Sock	2	6	6				J Sock	64	5
		U Blanch	6	4	2										7	C Eubanks	7	1	3
		S Kozlov	4	6	6											S Kozlov	5	6	6
		D Young	6	4	4				S Kozlov	3	6	6
		N Rubin	3	65				3	M Cressy	6	3	4
	3	M Cressy	6	77																			S Kozlov	6	3	1
	8	R Ramanathan	6	5	6																	8	R Ramanathan	1	6	6
	Q	A Kovacevic	4	7	4			8	R Ramanathan	77	4	6
	PR	J Ward	61	0				Q	A Galarneau	64	6	4
	Q	A Galarneau	77	6											8	R Ramanathan	3	77	6
	WC	S Riffice	63	6	7										2	P Gunneswaran	6	65	4
		T Ito	77	4	5			WC	S Riffice	2	4
		T-S Kwiatkowski	3	2r				2	P Gunneswaran	6	6
	2	P Gunneswaran	6	3