2023 Credit One Charleston Open – Singles

Ons Jabeur defeated the defending champion Belinda Bencic in a rematch of the previous year's final, 7–6(8–6), 6–4 to win the singles tennis title at the 2023 Charleston Open. Jabeur did not drop a set en route to her fourth career singles title and first of the season.

This was the first tournament on the WTA Tour since the 2018 Italian Open where both finalists contested the final in consecutive years. This would be repeated just 2 weeks later at the Stuttgart Open. Jabeur had lost two consecutive finals in Daniel Island (the second 2021 and 2022) before finally winning the 2023 tournament.

The top four seeds reached the semifinals for the first time since 2000, and for the first time at a WTA 500 tournament since the 2012 Porsche Tennis Grand Prix - Singles.

Seeds
The top eight seeds received a bye into the second round. • 🇺🇸 Jessica Pegula (semifinals)

• 🇹🇳 Ons Jabeur (champion)

• Daria Kasatkina (semifinals)

• Belinda Bencic (final)

• Veronika Kudermetova (second round)

• Victoria Azarenka (third round)

• Ekaterina Alexandrova (quarterfinals)

• 🇵🇱 Magda Linette (third round)

• 🇺🇸 Madison Keys (quarterfinals)

• 🇨🇳 Zhang Shuai (first round)

• 🇺🇦 Anhelina Kalinina (first round)

• 🇪🇸 Paula Badosa (quarterfinals)

• 🇺🇸 Danielle Collins (first round)

• Jil Teichmann (first round)

• 🇷🇴 Irina-Camelia Begu (third round)

• 🇨🇿 Marie Bouzková (first round)

Seeds
• # 🇩🇪 Tamara Korpatsch (first round)

• # 🇩🇪 Anna-Lena Friedsam (qualified)

• # 🇵🇱 Magdalena Fręch (qualifying competition)

• # 🇩🇪 Laura Siegemund (first round)

• # Viktorija Golubic (first round)

• # 🇺🇸 Taylor Townsend (withdrew, still competing in Miami)

• # 🇺🇸 CoCo Vandeweghe (first round)

• # 🇫🇷 Kristina Mladenovic (first round)

• # 🇺🇸 Elizabeth Mandlik (first round)

• # 🇬🇧 Heather Watson (qualifying competition)

• # 🇺🇸 Ashlyn Krueger (qualifying competition)

• # 🇺🇸 Louisa Chirico (qualified)

• # 🇦🇷 Paula Ormaechea (qualified)

• # 🇨🇦 Katherine Sebov (qualified)

• # 🇬🇧 Yuriko Miyazaki (first round)

• # 🇺🇸 Kayla Day (qualified)

Qualifiers
• # 🇺🇸 Kayla Day

• # 🇩🇪 Anna-Lena Friedsam

• # 🇦🇷 Paula Ormaechea

• # 🇺🇸 Sachia Vickery

• # 🇩🇪 Sabine Lisicki

• # 🇺🇸 Hailey Baptiste

• # 🇺🇸 Louisa Chirico

• # 🇨🇦 Katherine Sebov