2023 Champaign–Urbana Challenger – Singles

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

Urbana Challenger – Singles
2023 Champaign–Urbana Challenger
Champion	Patrick Kypson
Runner-up	Alex Michelsen
Score	6–4, 6–3

Main article: 2023 Champaign–Urbana Challenger

Patrick Kypson won the title after defeating Alex Michelsen 6–4, 6–3 in the final.

Seeds

1. Aleksandar Kovacevic (quarterfinals)
2. Alex Michelsen (final)
3. Emilio Nava (first round)
4. Titouan Droguet (semifinals)
5. Denis Kudla (first round, retired)
6. Beibit Zhukayev (second round)
7. Patrick Kypson (champion)
8. Martin Damm (quarterfinals)

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
	7	Patrick Kypson	6	6
	WC	Ethan Quinn	4	2
								7	Patrick Kypson	6	6
								2	Alex Michelsen	4	3
	4	Titouan Droguet	6	4	3
	2	Alex Michelsen	2	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	A Kovacevic	6	2	6
	Q	C Williams	3	6	4			1	A Kovacevic	77	6
	Alt	S Kozlov	6	3	4			WC	K Ozoliņš	65	3
	WC	K Ozoliņš	2	6	6										1	A Kovacevic	62	6	3
	Q	Hunter Heck	3	4											7	P Kypson	77	4	6
	WC	Kenta Miyoshi	6	6				WC	K Miyoshi	3	1
	Q	M Whitehouse	1	65				7	P Kypson	6	6
	7	P Kypson	6	77																		7	P Kypson	6	6
	3	Em Nava	3	2																		WC	E Quinn	4	2
	WC	E Quinn	6	6				WC	E Quinn	6	6
	Alt	E Karlovskiy	5	4r					S Kirchheimer	1	4
		S Kirchheimer	7	5											WC	E Quinn	6	6
		N Serdarušić	6	1	6											N Serdarušić	3	3
		A Mayo	3	6	3				N Serdarušić	77	6
		E Dalla Valle	1	1				6	B Zhukayev	65	4
	6	B Zhukayev	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	D Kudla	77	5	0r
		M Krueger	64	7	0				M Krueger	77	6
		C Rodesch	7	4	4			Q	A Rybakov	65	1
	Q	A Rybakov	5	6	6											M Krueger	4	1
		B Holt	5	6	6										4	T Droguet	6	6
	Q	I Montes de la Torre	7	0	1				B Holt	4	3
		V Durasovic	2	3				4	T Droguet	6	6
	4	T Droguet	6	6																		4	T Droguet	6	4	3
	8	M Damm	77	6																		2	A Michelsen	2	6	6
	Q	A Perez	63	4				8	M Damm	6	6
		G Debru	67	6	64			Alt	M Rosenkranz	3	4
	Alt	M Rosenkranz	79	3	77										8	M Damm	1	6	4
		A McHugh	2	6	3										2	A Michelsen	6	1	6
		S Fanselow	6	4	6				S Fanselow	3	2
		B Tomic	4	0				2	A Michelsen	6	6
	2	A Michelsen	6	6