Vitalia Diatchenko and Galina Voskoboeva were the defending champions, but both chose not to participate.
Victoria Azarenka successfully defended her title, beating Serena Williams in the final, 7–6(8–6), 2–6, 6–3.
Tímea Babos and Yaroslava Shvedova were the defending champions; however, both players chose not to participate.
Alison Riske won the first edition of the tournament, defeating Belinda Bencic in the final, 6–3, 6–4.
Monica Niculescu and Klára Koukalová were the defending champions, but Koukalová chose not to participate. Niculescu played alongside Zarina Diyas, but they lost in the first round to Lyudmyla Kichenok and Nadiia Kichenok.
The Kichenok sisters went on to win the title, defeating Liang Chen and Wang Yafan in the final, 6-4, 7-6(8-6).
Tímea Babos and Chan Hao-ching were the defending champions, but Chan chose not to participate this year. Babos chose to play in Monterrey, but lost in the first round.
Yuliya Beygelzimer and Olga Savchuk were the defending champions, but Savchuk chose to compete in Charleston instead. Beygelzimer played alongside Eva Hrdinová, but they lost in the first round to Ysaline Bonaventure and Demi Schuurs.
Lucie Hradecká and Mirjana Lučić-Baroni were the defending champions, but lost in the quarterfinals to Barbora Krejčíková and An-Sophie Mestach.
Alison Riske was the defending champion, but lost in the second round to Tímea Babos.
Alla Kudryavtseva and Anastasia Rodionova were the defending champions, but chose not to participate.
This was the first edition of the event.
This was the first edition of the tournament.
Chan Hao-ching and Chan Yung-jan won the title, defeating Eri Hozumi and Miyu Kato in the final, 6–4, 6–3.
Teliana Pereira was the defending champion, but lost in the first round to Lyudmyla Kichenok.
Annika Beck and Laura Siegemund were the defending champions, but chose not to participate this year.
Jelena Janković was the defending champion, but lost in the final to Lesia Tsurenko, 4–6, 6–3, 4–6.
Andreea Mitu and İpek Soylu were the defending champions, but chose not to compete together. Mitu played alongside Mariana Duque Mariño, but lost in the quarterfinals to Tímea Babos and Çağla Büyükakçay. Soylu teamed up with Hsieh Su-wei, but lost in the first round to Dalila Jakupović and Nadiia Kichenok.
Chan Hao-ching and Latisha Chan were the defending champions, but Latisha Chan chose not to participate this year. Chan Hao-ching played alongside Tímea Babos, but lost in the semifinals to Nao Hibino and Oksana Kalashnikova.
Dalila Jakupović and Nadiia Kichenok were the defending champions, but Kichenok chose to compete in Stuttgart instead. Jakupović played alongside Irina Khromacheva, but lost in the first round to Natela Dzalamidze and Anna Kalinskaya.
Monique Adamczak and Storm Sanders were the defending champions, but both players chose not to participate.
Duan Yingying and Han Xinyun were the defending champions, but did not participate this year.
