2018 Mumbai Open – Singles

Luksika Kumkhum won her first WTA 125 title, defeating Irina Khromacheva in the final, 1–6, 6–2, 6–3.

Aryna Sabalenka was the defending champion, but qualified for and competed at the 2018 WTA Elite Trophy.

Seeds
• # 🇨🇳 Zheng Saisai (quarterfinals)

• # Dalila Jakupović (semifinals)

• # 🇺🇸 Sachia Vickery (first round, retired)

• # 🇷🇸 Olga Danilović (first round)

• # 🇹🇭 Luksika Kumkhum (champion)

• # 🇷🇺 Margarita Gasparyan (semifinals)

• # 🇨🇳 Zhu Lin (first round)

• # 🇯🇵 Nao Hibino (second round)

Seeds
• #🇨🇿 Tereza Martincová (qualified)

• #🇯🇵 Hiroko Kuwata (qualified)

• #🇮🇳 Pranjala Yadlapalli (qualified)

• #🇵🇱 Urszula Radwańska (qualified)

• #🇷🇸 Natalija Kostić (qualifying competition)

• #🇷🇺 Yana Sizikova (first round)

• # Sofia Shapatava (qualifying competition, lucky loser)

• #🇰🇬 Ksenia Palkina (first round)

Qualifiers
• #🇨🇿 Tereza Martincová

• #🇯🇵 Hiroko Kuwata

• #🇮🇳 Pranjala Yadlapalli

• #🇵🇱 Urszula Radwańska

Lucky loser
• # Sofia Shapatava