Li Na defeated Angelique Kerber in the final, 1–6, 6–3, 6–1 to win the women's singles tennis title at the 2012 Cincinnati Masters.
Maria Sharapova was the reigning champion, but withdrew because of a stomach virus.
Seeds The top eight seeds and the Montreal finalists receive a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying draw
Seeds
Qualifiers
Lucky losers
Tímea Babos Anna Tatishvili
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
References
Main Draw Qualifying Draw