Gisela Dulko was the defending champion, but withdrew due to gastrointestinal illness.
Sara Errani won the title, defeating Flavia Pennetta 5–7, 7–6(7–2), 6–0 in the final.
Alexandra Cadanțu was the defending champion, but lost in the quarterfinals against Johanna Larsson, who won the title by beating Anna Tatishvili 6–3, 6–4 in the final.
Agnieszka Radwańska was the defending champion, but lost to Nadia Petrova in the final, 6–0, 1–6, 6–3.
Kimiko Date-Krumm was the defending champion, but lost to Elena Vesnina in the first round.
Serena Williams successfully defended her title by defeating Maria Sharapova in the final, 6–1, 6–4.
Lucie Šafářová was the defending champion, having won the event in 2012. She successfully defended her title, defeating Alexandra Cadanțu in the final, 3–6, 6–1, 6–1.
Polona Hercog was the two-time defending champion, but decided to compete at an ITF $100,000 event at Olomouc instead.
Serena Williams won the title, defeating Johanna Larsson in the final, 6–4, 6–1.
Timea Bacsinszky was the defending champion, but chose not to participate.
Caroline Wozniacki was the defending champion, but chose not to participate this year.
Garbiñe Muguruza was the defending champion, but chose to compete in Sydney instead.
Heather Watson won the title, defeating Madison Brengle in the final, 6–3, 6–4.
Samantha Stosur was the defending champion, but chose not to participate.
Aleksandra Krunić and Kateřina Siniaková were the defending champions, but chose not to participate together. Krunić played alongside Petra Martić, but lost in the quarterfinals to Anna-Lena Friedsam and Katarzyna Piter.
Siniaková teamed up with Vera Dushevina, but lost in the final to Margarita Gasparyan and Alexandra Panova, 1–6, 6–3, [3–10].
Johanna Larsson was the defending champion, but lost in the semifinals to Kateřina Siniaková.
Mona Barthel and Laura Siegemund were the defending champions, but Barthel chose not to participate this year. Siegemund played alongside Antonia Lottner, but lost in the first round to Annika Beck and Xenia Knoll.
Simona Halep was the defending champion and successfully defended her title, defeating Kristina Mladenovic in the final, 7–5, 6–7(5–7), 6–2.
Laura Siegemund was the defending champion, but could not defend her title due to a right knee injury.
Kirsten Flipkens and Johanna Larsson were the defending champions, but Flipkens chose not to participate this year.
Kiki Bertens and Johanna Larsson were the defending champions and successfully defended their title, defeating Natela Dzalamidze and Xenia Knoll in the final, 3–6, 6–3, [10–4].
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose not to participate this year. Larsson played alongside Eugenie Bouchard, but lost in the first round to Rika Fujiwara and Darija Jurak.
This was the first edition of the tournament. Anastasia Potapova and Vera Zvonareva won the title, defeating Alexandra Panova and Galina Voskoboeva in the final, 6–0, 6–3.
