Chang Kai-chen and Chuang Chia-jung were the defending champions, but both chose to participate, but with different partners. Chang competed with Hsieh Shu-ying, but lost in the first round to Chen Yi and Varatchaya Wongteanchai, meanwhile Chuang competed with Olga Govortsova, but lost in the quarterfinals to Karolína Plíšková and Kristýna Plíšková.
Chang Kai-chen and Chuang Chia-jung were the defending champions, but Chuang decided not to participate.
Chang played alongside Shuko Aoyama and successfully defended her title by defeating Janette Husárová and Zhang Shuai in the final, 6–7(4–7), 7–6(7–4), [14–12].
The tournament in Nanchang was a new addition to the WTA 125K series.
Tímea Babos and Michaëlla Krajicek were the defending champions, having won the event in 2013, however both players chose not to participate.
Chan Yung-jan and Zhang Shuai were the defending champions, but neither player chose to participate this year.
The 2015 Internationaux de Strasbourg was a professional tennis tournament played on clay courts. It was the 29th edition of the tournament and will be part of the International-level tournament category of the 2015 WTA Tour. It took place in Strasbourg, France, on 17–23 May 2015.
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.
Lucie Hradecká and Michaëlla Krajicek were the defending champions, but Hradecká chose not to participate this year. Krajicek played alongside Karolína Plíšková, but lost in the quarterfinals to Belinda Bencic and Kateřina Siniaková.
Chuang Chia-jung and Junri Namigata were the defending champions, but Chuang chose not to participate. Namigata partnered Erika Sema, but lost in the first round to Miyu Kato and Kotomi Takahata.
Andreja Klepač and Sílvia Soler Espinosa were the defending champions, but Soler Espinosa chose not to participate this year. Klepač played alongside Lara Arruabarrena, but lost in the first round to Chuang Chia-jung and Liang Chen.
Shuko Aoyama and Renata Voráčová were the defending champions, but Voráčová chose not to participate. Aoyama partnered Makoto Ninomiya, but they lost in quarterfinals to Chuang Chia-jung and Liang Chen.
Chan Hao-ching and Chan Yung-jan won the title, defeating Misaki Doi and Kurumi Nara in the final, 6–1, 6–2.
Chuang Chia-jung and Liang Chen were the defending champions, but Chuang chose not to participate. Liang played alongside Wang Yafan, but lost in the quarterfinals to Xu Shilin and You Xiaodi.
Alla Kudryavtseva and Anastasia Rodionova were the defending champions, but chose not to participate.
Lyudmyla Kichenok and Nadiia Kichenok were the defending champions, but chose to participate in Auckland instead.
Vania King and Monica Niculescu won the title, defeating Xu Yifan and Zheng Saisai in the final, 6–1, 6–4.
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.
Chuang Chia-jung and Liang Chen were the defending champions, but chose not to participate together. Chuang played alongside Darija Jurak, but lost in the semifinals to María Irigoyen and Liang.
Anabel Medina Garrigues and Arantxa Parra Santonja won the title, defeating Irigoyen and Liang in the final, 6–2, 6–0.
Annika Beck and Laura Siegemund were the defending champions, but chose not to participate this year.
Chan Hao-ching and Chan Yung-jan were the defending champions, but decided not to participate this year.
Shuko Aoyama and Makoto Ninomiya won the title, defeating Jocelyn Rae and Anna Smith in the final, 6–3, 6–3.
Jelena Janković was the defending champion, but lost in the final to Lesia Tsurenko 4–6, 6–3, 4–6.
Chuang Chia-jung and Darija Jurak were the defending champions, but chose not to participate together. Chuang played alongside Zheng Saisai, but lost in the first round to Gabriela Dabrowski and Jeļena Ostapenko. Jurak teamed up with Anastasia Rodionova, but lost in the second round to Dabrowski and Ostapenko.
Chuang Chia-jung 
Liang Chen 
Nadiia Kichenok 
