2023 Korea Open – Singles

Jessica Pegula defeated Yuan Yue in the final, 6–2, 6–3 to win the singles tennis title at the 2023 Korea Open. Yuan was contesting her first WTA Tour final.

Ekaterina Alexandrova was the defending champion, but lost to Yanina Wickmayer in the second round.

Seeds
• #🇺🇸 Jessica Pegula (champion)

• # Jeļena Ostapenko (first round)

• # Ekaterina Alexandrova (second round)

• #🇨🇿 Marie Bouzková (quarterfinals)

• #🇺🇸 Sofia Kenin (first round)

• #🇺🇸 Alycia Parks (first round)

• # Arantxa Rus (second round, retired)

• #🇬🇧 Katie Boulter (first round)

Seeds
• # 🇺🇸 Sachia Vickery (qualified)

• # Arianne Hartono (qualified)

• # Liang En-shuo (qualified)

• # 🇰🇷 Park So-hyun (first round, retired)

• # Irina Khromacheva (qualifying competition, lucky loser)

• # Lee Ya-hsuan (qualifying competition)

• # Ksenia Zaytseva (qualifying competition)

• # 🇹🇭 Peangtarn Plipuech (first round)

Qualifiers
• # 🇺🇸 Sachia Vickery

• # Arianne Hartono

• # Liang En-shuo

• # 🇰🇷 Ku Yeon-woo

Lucky loser
• # Irina Khromacheva