The International Challenger Zhangjiagang is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour. It is held annually in Zhangjiagang, China since 2017.
| International Challenger Zhangjiagang | |
|---|---|
 2024 International Challenger Zhangjiagang | |
| ATP Challenger Tour | |
| Event name | International Challenger Zhangjiagang |
| Location | Zhangjiagang, China |
| Venue | Chinese Tennis Academy Zhangjiagang |
| Category | ATP Challenger Tour |
| Surface | Hard |
| Draw | 32S/32Q/16D |
Past finals
editSingles
edit| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2024 |  Yasutaka Uchiyama |
 Mark Lajal |
6–7(4–7), 6–2, 6–2 |
| 2023 |  Térence Atmane |
 Mikalai Haliak |
6–1, 6–2 |
| 2020–22 | Not held | ||
| 2019 |  Marc Polmans |
 Lorenzo Giustino |
6–4, 4–6, 7–6(7–5) |
| 2018 | Yasutaka Uchiyama |
 Jason Jung |
6–2, 6–2 |
| 2017 | Jason Jung |
 Zhang Ze |
6–4, 2–6, 6–4 |
Doubles
edit| Year | Champions | Runners-up | Score |
|---|---|---|---|
| 2024 | Kaichi Uchida Takeru Yuzuki |
 Francis Alcantara Pruchya Isaro |
6–1, 7–5 |
| 2023 | Ray Ho Matthew Romios |
Francis Alcantara Sun Fajing |
6–3, 6–4 |
| 2020–22 | Not held | ||
| 2019 | Max Purcell Luke Saville |
 Sriram Balaji Hans Hach Verdugo |
6–2, 7–6(7–5) |
| 2018 | Gong Maoxin Zhang Ze |
Bradley Mousley Akira Santillan |
Walkover |
| 2017 | Gao Xin Zhang Zhizhen |
Chen Ti Yi Chu-huan |
6–2, 6–3 |
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