| Singles | |
|---|---|
| 2013 Bank of the West Classic | |
| Champion |
|
| Runner-up |
|
| Final score | 3–6, 6–4, 6–4 |
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.
The top four seeds received a bye into the second round.
The top six seeds received a bye into the second round.