Serena Williams defeated Maria Sharapova in the final, 4–6, 6–3, 6–0 to win the women's singles tennis title at the 2013 Miami Open. It was her record sixth Miami Open title, and Sharapova's fifth runner-up finish without winning the title.

Agnieszka Radwańska was the defending champion, but lost in the semifinals to Williams.

Seeds All seeds receive a bye into the second round.

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8

Qualifying

Seeds

Qualifiers

Lucky losers Lauren Davis

Draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Fifth qualifier

Sixth qualifier

Seventh qualifier

Eighth qualifier

Ninth qualifier

Tenth qualifier

Eleventh qualifier

Twelfth qualifier

External links WTA tournament draws ITF tournament draws