2017 International Challenger Zhangjiagang

The 2017 International Challenger Zhangjiagang was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Zhangjiagang, China between 5 and 10 September 2017.

2017 International Challenger Zhangjiagang
Date	5–10 September
Edition	1st
Surface	Hard
Location	Zhangjiagang, China
Champions
Singles
Jason Jung
Doubles
Gao Xin / Zhang Zhizhen

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
SUI	Henri Laaksonen	94	1
JPN	Go Soeda	130	2
KOR	Lee Duck-hee	163	3
JPN	Yasutaka Uchiyama	187	4
JPN	Hiroki Moriya	213	5
EGY	Mohamed Safwat	219	6
CHN	Wu Di	221	7
TPE	Chen Ti	257	8

• ¹ Rankings are as of 28 August 2017.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Gao Xin
• Sun Fajing
• Wang Chuhan
• Zhang Zhizhen

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

• Henri Laaksonen

The following players received entry from the qualifying draw:

• Yuya Kibi
• Marinko Matosevic
• Bradley Mousley
• Miliaan Niesten

Champions

Singles

Main article: 2017 International Challenger Zhangjiagang – Singles

• Jason Jung def. Zhang Ze 6–4, 2–6, 6–4.

Doubles

Main article: 2017 International Challenger Zhangjiagang – Doubles

• Gao Xin / Zhang Zhizhen def. Chen Ti / Yi Chu-huan 6–2, 6–3.