Nikolay Davydenko Nikolay Vladimirovich Davydenko ( ; born 2 June 1981) is a Russian former professional tennis player. He achieved a career-high singles ranking of World No. 3 in November 2006. Davydenko's best result in a Grand Slam (tennis), Grand Slam tournam ...

was the defending champion, but lost to

Roger Federer Roger Federer ( , ; born 8 August 1981) is a Swiss former professional tennis player. He was ranked as the List of ATP number 1 ranked singles tennis players, world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for 3 ...

6–3, 6–4 in the final. Federer did not lose a single set in the entire tournament.

Seeds

Qualifying

Draw

Finals

Top half

Bottom half

References

Main Draw
{{DEFAULTSORT:2011 Qatar Open - Singles 2011 Qatar Open