Six-time defending champion Rafael Nadal defeated David Ferrer in the final, 6–4, 7–5 to win the singles tennis title at the 2011 Monte-Carlo Masters. It was his seventh consecutive Monte-Carlo Masters title, extending his tournament win streak to 37 consecutive matches.
Seeds The top eight seeds receive a bye into the second round.
Qualifying
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
External links Main draw