Shuko Aoyama and Misaki Doi were the defending champions, however Doi chose not to participate. Aoyama partnered Junri Namigata, but lost in the final to Eri Hozumi and Makoto Ninomiya in an all-Japanese final, 6–3, 7–5.
Han Xinyun and Zhang Kailin were the defending champions, but lost in the semifinals.
Han Xinyun and Zhang Kailin were the defending champions, but Zhang chose not to participate. Han partnered Chang Kai-chen and successfully defended her title, defeating Liu Chang and Lu Jiajing in the final, 6–0, 6–3.
This was a new event to the WTA 125K series.
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.
Misaki Doi and Xu Yifan were the defending champions of 2013, the tournament was not held in 2014. Doi chose not to participate. Xu partnered Wang Yafan, but lost in the quarterfinals to Yang Zhaoxuan and Zhang Yuxuan.
This was the first edition of the tournament. Liang Chen and Wang Yafan won the title, defeating Varatchaya Wongteanchai and Yang Zhaoxuan in the final 6–3, 6–4.
Eri Hozumi and Makoto Ninomiya were the defending champions, but Hozumi chose to participate in Canberra instead. Ninomiya partnered Shuko Aoyama and successfully defended her title, they defeated Chinese wildcards Lu Jingjing and Zhang Yuxuan in the final, 6–3, 6–0.
Noppawan Lertcheewakarn and Lu Jiajing were the defending champions, but both players chose not to participate.
Raluca Olaru and Xu Yifan were the defending champions, but both players chose not to participate.
Players and pairs who neither have high enough rankings nor receive wild cards may participate in a qualifying tournament held one week before the annual Wimbledon Tennis Championships.
Zhang Yuxuan was the defending champion, but lost in the first round to Shuko Aoyama.
Jelena Janković was the defending champion, but chose to participate in Florianópolis instead.
Chang Kai-chen and Zheng Saisai were the defending champions, but Zheng chose not to participate this year. Chang played alongside Duan Yingying, but lost in the first round to Nicha Lertpitaksinchai and Peangtarn Plipuech.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but Aoyama chose not to participate. Ninomiya partnered Akiko Omae, and lost in the quarterfinals to Eri Hozumi and Valeria Savinykh.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but both players chose not to participate.
Liang Chen and Lu Jingjing were the defending champions, but chose not to compete together. Lu played alongside You Xiaodi, but lost in the quarterfinals to Liang and Ye Qiuyu. Liang and Ye then lost in the semifinals to Jiang Xinyu and Tang Qianhui.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but chose not to compete together. Aoyama played alongside Yang Zhaoxuan, and successfully defended her title, defeating Monique Adamczak and Storm Sanders in the final 6–0, 2–6, [10–5]. Ninomiya teamed up with Renata Voráčová, but lost to Aoyama and Yang in the semifinals.
Shuko Aoyama and Yang Zhaoxuan were the defending champions, but Yang chose not to participate. Aoyama played alongside Duan Yingying, but lost in the semifinals to Eri Hozumi and Zhang Shuai.
Duan Yingying and Han Xinyun were the defending champions, but did not participate this year.
Shuko Aoyama 
Chang Kai-chen 
Duan Yingying 
