2013 Malaysian Open – Singles

Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands. Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.

Seeds
• # Caroline Wozniacki (first round)

• # Hsieh Su-wei (quarterfinals)

• # 🇷🇺 Anastasia Pavlyuchenkova (semifinals)

• # 🇯🇵 Ayumi Morita (semifinals)

• # 🇯🇵 Misaki Doi (second round)

• # Donna Vekić (first round)

• # Eleni Daniilidou (second round)

• # 🇨🇿 Kristýna Plíšková (first round)

Seeds
• # 🇹🇭 Luksika Kumkhum (qualified)

• # 🇺🇿 Akgul Amanmuradova (qualified)

• # Chanel Simmonds (qualified)

• # 🇦🇺 Monique Adamczak (qualifying competition)

• # 🇯🇵 Erika Sema (qualifying competition)

• # 🇨🇳 Wang Qiang (qualified)

• # 🇺🇦 Lyudmyla Kichenok (first round)

• # 🇺🇦 Nadiya Kichenok (qualifying competition)

• # 🇹🇭 Nudnida Luangnam (qualified)

• # 🇷🇺 Arina Rodionova (qualifying competition)

• # 🇯🇵 Junri Namigata (qualifying competition)

• # Ana Savić (qualifying competition)

Qualifiers
• # 🇹🇭 Luksika Kumkhum

• # 🇺🇿 Akgul Amanmuradova

• # Chanel Simmonds

• # 🇹🇭 Nudnida Luangnam

• # 🇰🇿 Zarina Diyas

• # 🇨🇳 Wang Qiang