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Singles
2023 Chicago Men's Challenger
Final
Champion	Alex Michelsen
Runner-up	Yuta Shimizu
Score	7–5, 6–2
Events
Singles Doubles
← 2022 · Chicago Men's Challenger · 2024 →

Roman Safiullin was the defending champion but chose not to defend his title.

Alex Michelsen won the title after defeating Yuta Shimizu 7–5, 6–2 in the final.

Seeds

1. James Duckworth (withdrew)
2. Aleksandar Kovacevic (second round)
3. Emilio Gómez (first round)
4. Shang Juncheng (semifinals)
5. Altuğ Çelikbilek (first round)
6. Alexis Galarneau (first round)
7. Giovanni Mpetshi Perricard (semifinals)
8. Steve Johnson (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
		Yuta Shimizu	7	7
	7	Giovanni Mpetshi Perricard	6	6
									Yuta Shimizu	5	2
									Alex Michelsen	7	6
	4	Shang Juncheng	6	5	3
		Alex Michelsen	4	7	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	LL	E Zhu	2	4
		Y Shimizu	6	6					Y Shimizu	6	5	6
	Q	Y-s Chung	6	6				Q	Y-s Chung	3	7	3
		A Shelbayh	3	4												Y Shimizu	6	7
	Alt	J Jung	7	6											Alt	J Jung	2	5
	Q	B Tomic	5	3				Alt	J Jung	3	7	6
		N Basavareddy	6	2	6				N Basavareddy	6	6	2
	8	S Johnson	3	6	4																		Y Shimizu	7	7
	3	E Gómez	2	1																		7	G Mpetshi Perricard	6	6
	Alt	Y Uchiyama	6	6				Alt	Y Uchiyama	6	2	2
		M Lajal	6	6					M Lajal	4	6	6
	Q	O Jasika	1	4												M Lajal	6	6	6
	WC	E Spizzirri	2	2											7	G Mpetshi Perricard	7	4	7
		A Walton	6	6					A Walton	6	4
		T Sandgren	4	4				7	G Mpetshi Perricard	7	6
	7	G Mpetshi Perricard	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	A Çelikbilek	4	6
	Q	T Schoolkate	6	7				Q	T Schoolkate	6	3	2
	Q	E Escobedo	6	6	4			WC	E Quinn	4	6	6
	WC	E Quinn	7	0	6										WC	E Quinn	5	1
		D Sweeny	4	4											4	J Shang	7	6
	Q	I Marchenko	6	6				Q	I Marchenko	5	3
	SE	M Kukushkin	6	2				4	J Shang	7	6
	4	J Shang	7	3																		4	J Shang	6	5	3
	6	A Galarneau	6	1																			A Michelsen	4	7	6
	WC	K Nishikori	7	6				WC	K Nishikori	7	6
	Alt	S Mansouri	3	6	6			Alt	S Mansouri	6	4
	Alt	J McCabe	6	4	4										WC	K Nishikori	6	6	1
		L Tu	6	7	6											A Michelsen	7	3	6
		A Michelsen	7	6	7				A Michelsen	6	6
		B Zhukayev	3	4				2	A Kovacevic	4	2
	2	A Kovacevic	6	6

References

1. Gavelán, Juan (August 14, 2022). "Safiullin es el gran campeón en Chicago".

External links

• Main draw
• Qualifying draw

• 2023 ATP Challenger Tour