2023 Korea Open (tennis)

The 2023 Korea Open (also known for sponsorship purposes as the 2023 Hana Bank Korea Open) was a tennis tournament played on outdoor hard courts. It was the 19th edition of the tournament and a WTA 250 event on the 2023 WTA Tour. The tournament took place at the Olympic Park Tennis Center in Seoul, South Korea from 9 to 15 October 2023. The men's event was discontinued this year following the return of the ATP Tour to China.

Singles

 * 🇺🇸 Jessica Pegula def. 🇨🇳 Yuan Yue 6–2, 6–3

Doubles

 * 🇨🇿 Marie Bouzková / 🇺🇸 Bethanie Mattek-Sands def. 🇹🇭 Luksika Kumkhum / 🇹🇭 Peangtarn Plipuech 6–2, 6–1

Seeds

 * Rankings are as of 2 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇰🇷 Back Da-yeon
 * 🇰🇷 Han Na-lae
 * 🇺🇸 Jessica Pegula

The following players received entry from the qualifying draw:
 * Arianne Hartono
 * Liang En-shuo
 * 🇺🇸 Sachia Vickery
 * 🇰🇷 Ku Yeon-woo

The following player received entry as a lucky loser:
 * Irina Khromacheva

Withdrawals

 * 🇷🇴 Irina-Camelia Begu → replaced by 🇩🇪 Eva Lys
 * Margarita Betova → replaced by Polina Kudermetova
 * 🇦🇺 Kimberly Birrell → replaced by 🇨🇳 Yuan Yue
 * Anna Kalinskaya → replaced by 🇺🇸 Ashlyn Krueger
 * 🇨🇿 Tereza Martincová → replaced by 🇰🇷 Jang Su-jeong
 * 🇫🇷 Diane Parry → replaced by 🇧🇷 Laura Pigossi
 * 🇺🇸 Bernarda Pera → replaced by Irina Khromacheva
 * 🇨🇳 Wang Yafan → replaced by 🇸🇰 Viktória Hrunčáková

Seeds

 * 1 Rankings as of 2 October 2023

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇰🇷 Back Da-yeon / 🇰🇷 Jeong Bo-young
 * 🇰🇷 Choi Ji-hee / 🇰🇷 Park So-hyun

The following pair received entry as alternates:
 * Liang En-shuo / 🇨🇳 Yuan Yue

Withdrawals

 * 🇸🇰 Viktória Hrunčáková / Arantxa Rus → replaced by  Liang En-shuo / 🇨🇳 Yuan Yue