Agnieszka Radwańska defeated Andrea Petkovic in the final, 7–5, 0–6, 6–4 to win the women's singles tennis title at the 2011 China Open. This was the second consecutive year that the champion in Beijing also won the title in Tokyo.
Caroline Wozniacki was the defending champion, but lost in the quarterfinals to Flavia Pennetta.
Seeds
The four Tokyo semifinalists received a bye into the second round. They are as follows: Victoria Azarenka Petra Kvitová Agnieszka Radwańska Vera Zvonareva
Qualifying
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
External links Main Draw and Qualifying Draw