2017 Dalian Women's Tennis Open

The 2017 Dalian Women's Tennis Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2017 WTA 125K series and took place in Dalian, China, from 5 to 10 September 2017.

Seeds

 * 1 Rankings are as of 28 August 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇳 Lu Jiajing
 * 🇨🇳 Yuan Yue
 * 🇨🇳 Zhang Kailin
 * 🇨🇳 Zheng Wushuang

The following players received entry using protected rankings:
 * 🇷🇺 Vitalia Diatchenko
 * 🇸🇪 Rebecca Peterson
 * 🇷🇺 Vera Zvonareva

The following players received entry from the qualifying draw:
 * Beatrice Gumulya
 * 🇨🇳 Wang Meiling
 * 🇨🇳 You Xiaodi
 * 🇨🇳 Zhang Yuxuan

The following players received entry as a lucky loser:
 * 🇯🇵 Hiroko Kuwata
 * 🇯🇵 Erika Sema

Withdrawals

 * Before the tournament
 * 🇷🇴 Ana Bogdan →replaced by 🇯🇵 Riko Sawayanagi
 * 🇧🇷 Beatriz Haddad Maia →replaced by 🇺🇸 Danielle Collins
 * 🇯🇵 Nao Hibino →replaced by 🇰🇷 Jang Su-jeong
 * Hsieh Su-wei →replaced by 🇹🇭 Peangtarn Plipuech
 * 🇷🇸 Aleksandra Krunić →replaced by 🇨🇳 Gao Xinyu
 * 🇺🇸 Christina McHale →replaced by Jana Fett
 * 🇯🇵 Risa Ozaki →replaced by Dalila Jakupović
 * 🇷🇺 Evgeniya Rodina →replaced by 🇺🇿 Sabina Sharipova
 * 🇨🇳 Wang Yafan →replaced by 🇯🇵 Erika Sema
 * 🇧🇪 Yanina Wickmayer →replaced by 🇯🇵 Hiroko Kuwata
 * 🇨🇳 Zheng Saisai →replaced by 🇨🇳 Liu Fangzhou
 * 🇨🇳 Zhu Lin →replaced by 🇨🇳 Lu Jingjing

Seeds

 * 1 Rankings are as of 28 August 2017.

Singles

 * 🇺🇦 Kateryna Kozlova def. 🇷🇺 Vera Zvonareva, 6–4, 6–2

Doubles

 * 🇨🇳 Lu Jingjing / 🇨🇳 You Xiaodi def. 🇨🇳 Guo Hanyu / 🇨🇳 Ye Qiuyu, 7–6(7–2), 4–6, [10–5]