Marion Bartoli was the defending champion, but chose not to compete.
Heather Watson won the title after a marathon 3 hour 12 minute battle with Chang Kai-chen. The match saw Watson hold match point before Chang came back and won the second set. Chang went up a break and had multiple match points at 5–4 before Watson broke and won a final-set tiebreak. Watson won by a score of 7–5, 5–7, 7–6(7–4). That meant for the first time in 25-year history, a British female won a WTA tournament.
Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands. Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.
Kimiko Date-Krumm was the defending champion, having won the event in 2012, but retired in the second round against qualifier An-Sophie Mestach, who went on to win the tournament. She defeated Wang Qiang in the final, 1–6, 6–3, 6–0.
Stefanie Vögele was the defending champion, having won the event in 2012, but decided not to participate in 2013.
Bojana Jovanovski was the defending champion, but chose not to compete this year.
Alison Van Uytvanck was the defending champion, but chose to participate at the 2014 Open GDF Suez de Limoges instead.
Wang Qiang was the defending champion but chose not to compete.
Zarina Diyas was the defending champion, however she chose to participate at the 2015 Miami Open instead.
Tímea Babos was the defending champion, but she chose to participate at the 2015 Grand Prix SAR La Princesse Lalla Meryem instead.
Wang Qiang was the defending champion, but she chose to participate at the 2015 Internationaux de Strasbourg.
Peng Shuai was the defending champion, but chose not to participate.
Elizaveta Kulichkova was the defending champion, but chose not to participate.
Hsieh Su-wei was the defending champion, but chose to participate in Istanbul instead.
Zheng Saisai was the defending champion, but chose to participate in Madrid instead.
Zhang Yuxuan was the defending champion, but lost in the first round to Shuko Aoyama.
Irina-Camelia Begu was the defending champion, but lost in the second round to Jana Čepelová.
Zhang Kailin was the defending champion, but chose not to participate.
Wang Qiang was the defending champion, but chose not to participate.
This was the first edition of the tournament.
