| Date: | 11–17 November |
| Edition: | 12th |
| Category: | WTA 125K series |
| Location: | Taipei, Taiwan |
| Surface: | Carpet (indoor) |
| Prize Money: | $125,000 |
| Champs: |  Vitalia Diatchenko |
| Champd: | Lee Ya-hsuan / Wu Fang-hsien |
The 2019 OEC Taipei WTA Challenger was a professional tennis tournament played on indoor carpet courts. It was the 12th edition of the tournament and part of the 2019 WTA 125K series, offering a total of $125,000 in prize money. It took place at the Taipei Arena in Taipei, Taiwan, on 11–17 November 2019.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Montenegro | Danka Kovinić | 88 | 1 | |
 Hungary | Tímea Babos | 104 | 2 | |
| Russian Federation | Vitalia Diatchenko | 107 | 3 | |
 Australia | Priscilla Hon | 126 | 4 | |
 Czech Republic | Tereza Martincová | 130 | 5 | |
| Kaja Juvan | 133 | 6 | ||
| Bibiane Schoofs | 149 | 7 | ||
| Viktoriya Tomova | 159 | 8 |
The following player received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Storm Sanders Aldila Sutjiadi
Emily Webley-Smith Lizette Cabrera → replaced by Susan Bandecchi
Jaqueline Cristian → replaced by Arina Rodionova Maddison Inglis → replaced by 
Urszula Radwańska
Luksika Kumkhum → replaced by Naiktha Bains Kamilla Rakhimova Monica Niculescu → replaced by Jana Fett Elena-Gabriela Ruse → replaced by 
Amandine Hesse Valeria Savinykh → replaced by Lee Ya-hsuan
Nina Stojanović → replaced by 
Kyōka Okamura
Martina Trevisan → replaced by Peangtarn Plipuech| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Arina Rodionova | Australia | Storm Sanders | 206 | 1 | ||
| Dalila Jakupović | Montenegro | Danka Kovinić | 227 | 2 | ||
 India | Ankita Raina | Bibiane Schoofs | 264 | 3 | ||
| Russian Federation | Yana Sizikova | United Kingdom | Emily Webley-Smith | 278 | 4 |
The following pair received a wildcard into the doubles main draw:
See main article: 2019 OEC Taipei WTA Challenger – Singles.
Vitalia Diatchenko def. Tímea Babos, 6–3, 6–2See main article: 2019 OEC Taipei WTA Challenger – Doubles.
Danka Kovinić 4–6, 6–4, [10–7]