2018 Kunming Open – Women's singles

Zheng Saisai was the defending champion but lost in the final to Irina Khromacheva 3–6, 6–4, 7–6(7–5).

Seeds
• # 🇨🇳 Peng Shuai (semifinals)

• # 🇨🇳 Wang Yafan (quarterfinals)

• # 🇧🇪 Yanina Wickmayer (quarterfinals)

• # 🇨🇳 Zheng Saisai (final)

• # Dalila Jakupović (second round)

• # 🇨🇦 Carol Zhao (second round)

• # 🇨🇳 Han Xinyun (semifinals)

• # 🇨🇳 Liu Fangzhou (first round)

Seeds
• # 🇦🇺 Olivia Tjandramulia (moved to main draw)

• # 🇷🇸 Natalija Kostić (qualified)

• # 🇨🇳 Sun Xuliu (qualifying competition)

• # 🇧🇬 Aleksandrina Naydenova (qualified)

• # 🇨🇳 Gai Ao (qualifying competition)

• # 🇯🇵 Nagi Hanatani (qualified)

• # 🇨🇳 Ye Qiuyu (first round)

• # 🇷🇺 Nika Kukharchuk (qualified)

Qualifiers
• # 🇷🇺 Nika Kukharchuk

• # 🇷🇸 Natalija Kostić

• # 🇯🇵 Nagi Hanatani

• # 🇧🇬 Aleksandrina Naydenova