2018 Tianjin Open

The 2018 Tianjin Open was a women's professional tennis tournament played on hard courts. It was the 5th edition of the tournament, and part of the 2018 WTA Tour. It took place at the Tuanbo International Tennis Centre in Tianjin, China between 8 and 14 October 2018.

Prize money
1 Qualifiers prize money is also the Round of 32 prize money
 * per team

Seeds

 * 1 Rankings are as of October 1, 2018

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇳 Liu Fangzhou
 * 🇨🇿 Karolína Plíšková
 * 🇨🇳 Yuan Yue

The following player received entry through a protected ranking:
 * Timea Bacsinszky

The following players received entry from the qualifying draw:
 * 🇸🇰 Jana Čepelová
 * 🇯🇵 Misaki Doi
 * 🇨🇿 Barbora Krejčíková
 * 🇷🇺 Veronika Kudermetova
 * 🇨🇳 Xun Fangying
 * 🇨🇳 Zhang Yuxuan

Withdrawals

 * 🇧🇾 Victoria Azarenka → replaced by 🇬🇧 Katie Boulter
 * 🇷🇴 Mihaela Buzărnescu → replaced by 🇨🇳 Duan Yingying
 * 🇷🇺 Maria Sharapova → replaced by 🇨🇳 Wang Yafan

Retirements

 * 🇺🇸 Danielle Collins
 * 🇺🇦 Kateryna Kozlova
 * Petra Martić
 * 🇧🇪 Elise Mertens

Seeds

 * 1 Rankings are as of October 1, 2018

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇨🇳 Guo Hanyu / 🇨🇳 Zhu Lin
 * 🇨🇳 Liu Yanni / 🇨🇳 Wang Meiling

The following pair received entry as alternates:
 * 🇮🇳 Ankita Raina / 🇬🇧 Emily Webley-Smith

Withdrawals

 * Before the tournament
 * 🇨🇦 Gabriela Dabrowski

Retirements

 * 🇪🇸 Lara Arruabarrena

Singles

 * 🇫🇷 Caroline Garcia def. 🇨🇿 Karolína Plíšková 7–6(9–7), 6–3

Doubles

 * 🇺🇸 Nicole Melichar / 🇨🇿 Květa Peschke def. 🇦🇺 Monique Adamczak / 🇦🇺 Jessica Moore 6–4, 6–2