2018 Zhengzhou Women's Tennis Open – Singles

Wang Qiang was the defending champion, but chose not to participate.

Zheng Saisai won the title after defeating Wang Yafan 5–7, 6–2, 6–1 in the final.

Seeds
• # 🇨🇳 Zhang Shuai (withdrew)

• # 🇨🇳 Peng Shuai (first round)

• # 🇹🇭 Luksika Kumkhum (first round)

• # 🇨🇳 Wang Yafan (final)

• # 🇨🇳 Duan Yingying (second round)

• # 🇧🇪 Yanina Wickmayer (semifinals)

• # 🇯🇵 Nao Hibino (first round)

• # 🇨🇳 Zhu Lin (quarterfinals)

Seeds
• # 🇮🇳 Ankita Raina (qualified)

• # 🇯🇵 Ayano Shimizu (qualified)

• # 🇷🇺 Viktoria Kamenskaya (qualifying competition)

• # 🇨🇳 Xun Fangying (qualified)

• # 🇯🇵 Mai Minokoshi (qualified)

• # 🇨🇳 Guo Hanyu (first round)

• # 🇭🇰 Zhang Ling (qualifying competition)

• # 🇨🇳 Zhang Kailin (qualifying competition, lucky loser)

Qualifiers
• # 🇮🇳 Ankita Raina

• # 🇯🇵 Ayano Shimizu

• # 🇯🇵 Mai Minokoshi

• # 🇨🇳 Xun Fangying

Lucky losers
• # 🇨🇳 You Xiaodi

• # 🇨🇳 Zhang Kailin