2023 Chicago Men's Challenger

The 2023 Chicago Men's Challenger was a professional tennis tournament played on hardcourts. It was the second edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Chicago, United States between July 10 and July 16, 2023.

2023 Chicago Men's Challenger
Date	10–16 July
Edition	2nd
Surface	Hard
Location	Chicago, United States
Champions
Singles
Alex Michelsen
Doubles
Miķelis Lībietis / Skander Mansouri

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
AUS	James Duckworth	110	1
USA	Aleksandar Kovacevic	120	2
ECU	Emilio Gómez	127	3
CHN	Shang Juncheng	155	4
TUR	Altuğ Çelikbilek	211	5
CAN	Alexis Galarneau	215	6
FRA	Giovanni Mpetshi Perricard	218	7
USA	Steve Johnson	219	8

• ¹ Rankings as of 3 July 2023.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Kei Nishikori
• Ethan Quinn
• Eliot Spizzirri

The following player received entry into the singles main draw as a special exempt:

• Mikhail Kukushkin

The following players received entry into the singles main draw as alternates:

• Jason Jung
• Skander Mansouri
• James McCabe
• Yasutaka Uchiyama

The following players received entry from the qualifying draw:

• Chung Yun-seong
• Ernesto Escobedo
• Omar Jasika
• Illya Marchenko
• Tristan Schoolkate
• Bernard Tomic

The following player received entry as a lucky loser:

• Evan Zhu

Champions

Singles

Main article: 2023 Chicago Men's Challenger – Singles

• Alex Michelsen def. Yuta Shimizu 7–5, 6–2.

Doubles

Main article: 2023 Chicago Men's Challenger – Doubles

• Miķelis Lībietis / Skander Mansouri def. Chung Yun-seong / Andrew Harris 7–6^(7–5), 6–3.