2024 Chicago Men's Challenger – Singles

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

Singles
2024 Chicago Men's Challenger
Champion	Gabriel Diallo
Runner-up	Bu Yunchaokete
Score	6–3, 7–6(7–3)

Main article: 2024 Chicago Men's Challenger

Gabriel Diallo won the title after defeating Bu Yunchaokete 6–3, 7–6^(7–3) in the final.^[2]

Seeds

1. Térence Atmane (second round)
2. Benjamin Bonzi (first round)
3. Hugo Grenier (quarterfinals)
4. Gabriel Diallo (champion)
5. Alexis Galarneau (first round)
6. Bu Yunchaokete (final)
7. Coleman Wong (first round)
8. Hong Seong-chan (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
	Q	Jacob Fearnley	2	3
	4	Gabriel Diallo	6	6
								4	Gabriel Diallo	6	77
								6	Bu Yunchaokete	3	63
	6	Bu Yunchaokete	6	7
	WC	Learner Tien	4	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1/SE	T Atmane	77	77
		Micah Braswell	64	65				1/SE	T Atmane	2	6	63
	Q	J Fearnley	6	6				Q	J Fearnley	6	1	77
		L Tu	4	3											Q	J Fearnley	6	6
	Alt	B Holt	6	77											Alt	B Holt	3	2
	WC	Andrew Fenty	1	64				Alt	B Holt	6	77
		M Polmans	2	77	6				M Polmans	4	64
	5	A Galarneau	6	65	4																	Q	J Fearnley	2	3
	4	G Diallo	6	6																		4	G Diallo	6	6
	Q	J Trotter	4	2				4	G Diallo	77	6
		J Fonseca	6	6					J Fonseca	61	1
		Y Shimizu	3	4											4	G Diallo	6	6
		M Krueger	6	6												M Krueger	3	2
		A Géa	4	4					M Krueger	6	6
		P Sekulic	6	6					P Sekulic	4	2
	7	C Wong	2	1

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	Y Bu	6	6
	Q	M Zheng	4	4				6	Y Bu	6	6
	Q	T-l Wu	4	6	1				P Jubb	3	3
		P Jubb	6	2	6										6	Y Bu	6	69	6
	WC	N Basavareddy	2	78	7										3	H Grenier	2	711	1
	Q	M Lajal	6	66	5			WC	N Basavareddy	4	0
		B Tomic	2	4				3	H Grenier	6	6
	3	H Grenier	6	6																		6	Y Bu	6	7
	8	S-c Hong	6	6																		WC	L Tien	4	5
		A Bolt	4	3				8	S-c Hong	6	64	6
		S Shimabukuro	77	2	65				C Broom	3	77	4
		C Broom	64	6	77										8	S-c Hong	3	1
		JP Ficovich	4	6	5										WC	L Tien	6	6
	Q	A Mayo	6	3	7			Q	A Mayo	3	77	3
	WC	L Tien	6	6				WC	L Tien	6	64	6
	2	B Bonzi	4	4