Gong Maoxin and Zhang Ze were the defending champions but lost in the quarterfinals to Ruben Gonzales and Alex Lawson.
Max Purcell and Luke Saville won the title after defeating Sriram Balaji and Hans Hach Verdugo 6–2, 7–6(7–5) in the final.
Seeds
Draw
Key
References
External links
- Main draw
![Zhangjiagang International Challenger [11] Viktor Galovic (CRO) vs](https://www.atptour.com/-/media/alias/event-hero-images/7783/2019)
