2018 OEC Taipei WTA Challenger

The 2018 OEC Taipei WTA Challenger was a professional tennis tournament played on indoor carpet courts. It was the 11th edition of the tournament and part of the 2018 WTA 125K series, offering a total of $125,000 in prize money. It took place in Taipei, Taiwan, on 12–18 November 2018.

Seeds

 * 1 Rankings as of 5 November 2018.

Other entrants
The following player received wildcards into the singles main draw:
 * Joanna Garland
 * Liang En-shuo
 * 🇩🇪 Sabine Lisicki
 * 🇭🇰 Zhang Ling
 * 🇨🇳 Zheng Saisai

The following players received entry from the qualifying draw:
 * 🇰🇷 Jang Su-jeong
 * 🇨🇿 Tereza Martincová
 * 🇷🇴 Elena-Gabriela Ruse
 * 🇨🇳 Zhang Yuxuan

The following player received entry as lucky losers:
 * 🇦🇺 Lizette Cabrera
 * 🇭🇰 Ng Kwan-yau

Withdrawals

 * 🇸🇰 Jana Čepelová → replaced by 🇨🇦 Carol Zhao
 * 🇷🇺 Margarita Gasparyan → replaced by 🇦🇺 Lizette Cabrera
 * Ekaterine Gorgodze → replaced by 🇨🇳 Xun Fangying
 * 🇷🇺 Evgeniya Rodina → replaced by 🇲🇪 Danka Kovinić
 * 🇬🇧 Katie Swan → replaced by 🇮🇳 Ankita Raina
 * 🇺🇸 Sachia Vickery → replaced by 🇦🇹 Barbara Haas
 * 🇨🇳 Zheng Saisai → replaced by 🇭🇰 Ng Kwan-yau

Seeds

 * 1 Rankings as of 5 November 2018.

Other entrants
The following pair received a wildcard into the doubles main draw:
 * Lee Ya-hsuan /  Liang En-shuo

Singles

 * 🇹🇭 Luksika Kumkhum def. 🇩🇪 Sabine Lisicki 6–1, 6–3

Doubles

 * * 🇮🇳 Ankita Raina / 🇮🇳 Karman Thandi def. 🇷🇺 Olga Doroshina / 🇷🇺 Natela Dzalamidze, 6–3, 5–7, [12–12], ret.