| Date: | 12–18 November |
| Edition: | 11th |
| Category: | WTA 125K series |
| Location: | Taipei, Taiwan |
| Surface: | Carpet (indoor) |
| Prize Money: | $125,000 |
| Champs: |  Luksika Kumkhum |
| Champd: |  Ankita Raina / Karman Thandi |
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.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 China | ||||
| Thailand | Luksika Kumkhum | 80 | 2 | |
 Russian Federation | ||||
| China | Zhu Lin | 114 | 4 | |
 Japan | Nao Hibino | 119 | 5 | |
| Russian Federation | Vitalia Diatchenko | 120 | 6 | |
 Uzbekistan | Sabina Sharipova | 122 | 7 | |
| Japan | Misaki Doi | 139 | 8 |
The following player received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as lucky losers:
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| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Nao Hibino | Georgia | Oksana Kalashnikova | 144 | 1 | ||
| China | Han Xinyun | Thailand | Luksika Kumkhum | 178 | 2 | |
| Japan | Misaki Doi | Montenegro | Danka Kovinić | 221 | 3 | |
| Russian Federation | Olga Doroshina | Russian Federation | Natela Dzalamidze | 267 | 4 |
The following pair received a wildcard into the doubles main draw:
See main article: 2018 OEC Taipei WTA Challenger – Singles.
Luksika Kumkhum def. Sabine Lisicki 6–1, 6–3See main article: 2018 OEC Taipei WTA Challenger – Doubles.
Ankita Raina / Karman Thandi def. Olga Doroshina / Natela Dzalamidze, 6–3, 5–7, [12–12], ret.
