2023 Lexington Challenger – Men's singles

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

Men's singles
2023 Lexington Challenger
Champion	Steve Johnson
Runner-up	Arthur Cazaux
Score	7–6(7–5), 6–4

Main article: 2023 Lexington Challenger

Steve Johnson won the title after defeating Arthur Cazaux 7–6^(7–5), 6–4 in the final.^[2]

Seeds

1. Arthur Cazaux (final)
2. Steve Johnson (champion)
3. Wu Tung-lin (quarterfinals)
4. Hong Seong-chan (quarterfinals)
5. Tennys Sandgren (semifinals)
6. Dane Sweeny (second round)
7. Adam Walton (second round)
8. Tristan Schoolkate (second round)

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
	1	Arthur Cazaux	6	78
	WC	Cannon Kingsley	2	66
								1	Arthur Cazaux	65	4
								2	Steve Johnson	77	6
	5	Tennys Sandgren	61	3
	2	Steve Johnson	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Cazaux	7	4	6
	Q	J Boulais	5	6	4			1	A Cazaux	6	6
		R Peniston	5	2					O Jasika	2	3
		O Jasika	7	6											1	A Cazaux	6	6
	Alt	Nathan Ponwith	4	1											Q	A Mayo	1	4
	Q	A Mayo	6	6				Q	A Mayo	3	6	6
	Q	P Sekulic	6	63	1			8	T Schoolkate	6	4	3
	8	T Schoolkate	3	77	6																	1	A Cazaux	6	78
	3	T-l Wu	6	6																		WC	C Kingsley	2	66
		Christian Langmo	4	4				3	T-l Wu	6	77
		AD Vallejo	6	4	6				AD Vallejo	4	64
		A Bolt	4	6	1										3	T-l Wu	3	2
	WC	C Kingsley	6	4	6										WC	C Kingsley	6	6
	Q	Yuki Mochizuki	4	6	3			WC	C Kingsley	6	7
	Q	T Boyer	3	4				6	D Sweeny	4	5
	6	D Sweeny	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	T Sandgren	7	6
	WC	Joshua Lapadat	5	3				5	T Sandgren	6	6
		S Kirchheimer	64	77	77				S Kirchheimer	2	4
	WC	M Damm	77	65	64										5	T Sandgren	6	6
		B Tomic	6	2	6										4	S-c Hong	4	2
	Q	S Dostanic	4	6	1				B Tomic	1	2
		NH Lý	1	5				4	S-c Hong	6	6
	4	S-c Hong	6	7																		5	T Sandgren	61	3
	7	A Walton	4	6	6																	2	S Johnson	77	6
		M Janvier	6	3	3			7	A Walton	3	3
		A McHugh	62	4				Alt	U Blanch	6	6
	Alt	U Blanch	77	6											Alt	U Blanch	3	4
		E Spizzirri	77	6											2	S Johnson	6	6
	PR	C Harrison	64	4					E Spizzirri	3	5
		B Harris	65	4				2	S Johnson	6	7
	2	S Johnson	77	6