2024 International Challenger Zhangjiagang

Country	Player	Rank1	Seed
HKG	Coleman Wong	153	1
KOR	Hong Seong-chan	154	2
TPE	Hsu Yu-hsiou	185	3
JPN	Yasutaka Uchiyama	197	4
AUS	Marc Polmans	201	5
KAZ	Beibit Zhukayev	217	6
EST	Mark Lajal	250	7
	Egor Gerasimov	256	8

• ¹ Rankings are as of 19 August 2024.^[1]

The following players received wildcards into the singles main draw:

• Tang Sheng
• Wu Yibing
• Zhou Yi

The following player received entry into the singles main draw as an alternate:

• Philip Henning

The following players received entry from the qualifying draw:

• Egor Agafonov
• Norbert Gombos
• Lukáš Pokorný
• Ajeet Rai
• Yusuke Takahashi
• Kris van Wyk

The following player received entry as a lucky loser:

• Evgeny Donskoy

• Yasutaka Uchiyama def. Mark Lajal 6–7^(4–7), 6–2, 6–2.

• Kaichi Uchida / Takeru Yuzuki def. Francis Alcantara / Pruchya Isaro 6–1, 7–5.