2013 Bank of the West Classic – Singles

Serena Williams was the two-time defending champion, but she decided not to participate this year.

Dominika Cibulková won the title, defeating Agnieszka Radwańska in the final, 3–6, 6–4, 6–4.

Seeds
The top four seeds received a bye into the second round. • # 🇵🇱 Agnieszka Radwańska (final)

• # 🇦🇺 Samantha Stosur (second round)

• # 🇸🇰 Dominika Cibulková (champion)

• # 🇺🇸 Jamie Hampton (semifinals)

• # 🇷🇴 Sorana Cîrstea (semifinals)

• # 🇺🇸 Varvara Lepchenko (quarterfinals)

• # 🇵🇱 Urszula Radwańska (quarterfinals)

• # 🇸🇰 Magdaléna Rybáriková (first round)

Seeds
The top six seeds received a bye into the second round. • # 🇷🇺 Olga Puchkova (qualifying competition)

• # Michelle Larcher de Brito (qualified)

• # 🇨🇦 Sharon Fichman (qualifying competition)

• # 🇷🇺 Alla Kudryavtseva (qualified)

• # 🇷🇺 Vera Dushevina (qualified)

• # 🇦🇺 Sacha Jones (qualifying competition)

• # 🇨🇦 Gabriela Dabrowski (second round)

• # 🇯🇵 Sachie Ishizu (second round)

Qualifiers
• # 🇷🇺 Vera Dushevina

• # Michelle Larcher de Brito

• # 🇺🇸 CoCo Vandeweghe

• # 🇷🇺 Alla Kudryavtseva