| 2018 Taiwan Open | |
|---|---|
| Date | 29 January – 4 February |
| Edition | 3rd |
| Category | International |
| Draw | 32S / 16D |
| Prize money | $250,000 |
| Surface | Hard (i) |
| Location | Taipei, Taiwan |
| Venue | Heping Basketball Gymnasium |
| Champions | |
| Singles | |
 Tímea Babos | |
| Doubles | |
 Duan Yingying / Wang Yafan | |
The 2018 Taiwan Open was a women's tennis tournament played on indoor hard courts. It was the third edition of the event and part of the WTA International tournaments of the 2018 WTA Tour.
| Event1 | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 |
|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 | — | — | — | — |
| Event | W | F | SF | QF | Round of 16 | Round of 322 | Q2 | Q1 |
| Women's singles | $43,000 | $21,400 | $11,500 | $6,175 | $3,400 | $2,100 | $1,020 | $600 |
| Women's doubles * | $12,300 | $6,400 | $3,435 | $1,820 | $960 | — | — | — |
1 Qualifiers' prize money is also the Round of 32 prize money
* per team
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| CHN | Peng Shuai | 27 | 1 |
| CHN | Zhang Shuai | 34 | 2 |
 AUS | Samantha Stosur | 41 | 3 |
| HUN | Tímea Babos | 51 | 4 |
 KAZ | Yulia Putintseva | 54 | 5 |
| KAZ | Zarina Diyas | 60 | 6 |
 POL | Magda Linette | 74 | 7 |
 FRA | Pauline Parmentier | 82 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Belinda Bencic → replaced by 
Kurumi Nara 
Margarita Gasparyan → replaced by Wang Yafan Daria Gavrilova → replaced by Zhu Lin 
Elina Svitolina → replaced by Lu Jingjing Lesia Tsurenko → replaced by 
Ana Bogdan 
Alison Van Uytvanck → replaced by Risa Ozaki | Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| HUN | Tímea Babos |  TPE | Chan Hao-ching | 24 | 1 |
| JPN | Miyu Kato | JPN | Makoto Ninomiya | 79 | 2 |
| UKR | Lyudmyla Kichenok | UKR | Nadiia Kichenok | 96 | 3 |
| AUS | Monique Adamczak | AUS | Storm Sanders | 121 | 4 |
The following pairs received wildcards into the doubles main draw:
Tímea Babos def. Kateryna Kozlova, 7–5, 6–1 Duan Yingying / Wang Yafan def. Nao Hibino / 
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