2011 Western & Southern Open – Men's Singles


was the two-time defending champion, but lost to Tomáš Berdych in the quarterfinals.
Andy Murray won the tournament beating No.1 seed Novak Djokovic in the final, 6–4, 3–0 ret. It was the 7th ATP Masters 1000 title of Murray's career, and his first in 2011. Djokovic's retirement in the final marked only his second defeat of the season.

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