Serena Williams defeated Samantha Stosur in the final, 6–4, 6–2 to win the women's singles tennis title at the 2011 Canadian Open. It was her second Canadian Open title.

Caroline Wozniacki was the defending champion, but lost to Roberta Vinci in the second round.

Seeds The top eight seeds receive a bye into the second round.

Qualifying

Main draw

Finals

Top half

Section 1

Section 2

Bottom half

Section 3

Section 4

References

External links Main draw and Qualifying draw