2023 Adelaide International 2 – Women's singles

Belinda Bencic defeated Daria Kasatkina in the final, 6–0, 6–2 to win the women's singles tennis title at the 2023 Adelaide International 2.

Madison Keys was the reigning champion from 2022, when the event was a WTA 250 tournament, but withdrew after competing at the United Cup.

For the first time since the 2017 Bank of the West Classic, all seeded players reached the quarterfinals.

Seeds
The top two seeds who did not withdraw received a bye into the second round. • # 🇵🇱 Iga Świątek (withdrew)

• # 🇹🇳 Ons Jabeur (withdrew)

• # 🇺🇸 Jessica Pegula (withdrew)

• # 🇫🇷 Caroline Garcia (quarterfinals)

• # Daria Kasatkina (final)

• # Veronika Kudermetova (semifinals, withdrew)

• # 🇺🇸 Madison Keys (withdrew)

• # Belinda Bencic (champion)

• # 🇪🇸 Paula Badosa (semifinals, withdrew)

• # 🇺🇸 Danielle Collins (quarterfinals)

• # 🇧🇷 Beatriz Haddad Maia (quarterfinals)

• # 🇨🇿 Petra Kvitová (quarterfinals)

Seeds
• # 🇺🇸 Amanda Anisimova (qualifying competition, lucky loser)

• # 🇨🇳 Zhang Shuai (first round)

• # 🇨🇳 Zheng Qinwen (qualified)

• # Aliaksandra Sasnovich (first round)

• # 🇨🇿 Karolína Plíšková (qualified)

• # 🇪🇪 Kaia Kanepi (qualifying competition, lucky loser)

• # Jil Teichmann (qualified)

• # 🇺🇸 Alison Riske-Amritraj (qualifying competition, lucky loser)

• # Anastasia Potapova (qualifying competition, lucky loser)

• # 🇷🇴 Sorana Cîrstea (qualified)

• # 🇺🇸 Shelby Rogers (qualifying competition, lucky loser)

• # 🇨🇿 Kateřina Siniaková (qualified)

Qualifiers
• # Jil Teichmann

• # 🇨🇿 Kateřina Siniaková

• # 🇨🇳 Zheng Qinwen

• # Anna Kalinskaya

• # 🇨🇿 Karolína Plíšková

• # 🇷🇴 Sorana Cîrstea

Lucky losers
• # 🇺🇸 Amanda Anisimova

• # 🇺🇸 Alison Riske-Amritraj

• # Anastasia Potapova

• # 🇺🇸 Shelby Rogers

• # 🇪🇪 Kaia Kanepi