2013 Kremlin Cup – Women's singles

Caroline Wozniacki was the defending champion, but she chose to participate in Luxembourg instead.

Simona Halep won the title, defeating Samantha Stosur in the final, 7–6(7–1), 6–2.

Seeds
The first four seeds received a bye into the second round.

• # 🇩🇪 Angelique Kerber (withdrew because of an abdominal strain)

• # 🇮🇹 Roberta Vinci (quarterfinals)

• # 🇷🇺 Maria Kirilenko (second round)

• # 🇷🇸 Ana Ivanovic (quarterfinals)

• # 🇷🇴 Simona Halep (champion)

• # 🇪🇸 Carla Suárez Navarro (second round)

• # 🇦🇺 Samantha Stosur (final)

• # 🇷🇺 Svetlana Kuznetsova (semifinals)

• # 🇸🇰 Dominika Cibulková (first round)

Seeds
• # 🇷🇸 Vesna Dolonc (qualified)

• # 🇺🇸 Vania King (second round)

• # 🇸🇪 Sofia Arvidsson (qualified)

• # 🇪🇸 Estrella Cabeza Candela (first round)

• # 🇷🇺 Vera Dushevina (qualifying competition, lucky loser)

• # 🇷🇺 Olga Puchkova (first round)

• # 🇷🇺 Daria Gavrilova (first round)

• # 🇷🇺 Alexandra Panova (qualifying competition)

Qualifiers
• # 🇷🇸 Vesna Dolonc

• # 🇪🇸 Arantxa Parra Santonja

• # 🇸🇪 Sofia Arvidsson

• # 🇲🇪 Danka Kovinić

Lucky losers

 * 1) 🇷🇺 Vera Dushevina