2018 Zhengzhou Women's Tennis Open

The 2018 Zhengzhou Women's Tennis Open was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament and part of the 2018 WTA 125K series, offering a total of $125,000 in prize money. It took place in Zhengzhou, China, on 16–22 April 2018.

Seeds

 * 1 Rankings as of 9 April 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇳 Peng Shuai
 * 🇨🇳 Tian Ran
 * 🇨🇳 Wang Xiyu
 * 🇨🇳 Yang Zhaoxuan
 * 🇨🇳 Yuan Yue

The following players received entry from the qualifying draw:
 * 🇯🇵 Mai Minokoshi
 * 🇮🇳 Ankita Raina
 * 🇯🇵 Ayano Shimizu
 * 🇨🇳 Xun Fangying

The following players received entry as Lucky Losers:
 * 🇨🇳 You Xiaodi
 * 🇨🇳 Zhang Kailin

Withdrawals

 * 🇨🇳 Lu Jingjing → replaced by 🇨🇳 Zhang Kailin
 * 🇨🇳 Zhang Shuai → replaced by 🇨🇳 You Xiaodi

Seeds

 * 1 Rankings as of 9 April 2018.

Other entrants
The following pair received a wildcard into the main draw:
 * 🇨🇳 Tian Ran / 🇨🇳 Zhang Kailin

Singles

 * 🇨🇳 Zheng Saisai def. 🇨🇳 Wang Yafan 5–7, 6–2, 6–1

Doubles

 * 🇨🇳 Duan Yingying / 🇨🇳 Wang Yafan def. 🇬🇧 Naomi Broady / 🇧🇪 Yanina Wickmayer 7–6(7–5), 6–3