2011 tennis event results
John Isner was the defending champion but lost in the quarterfinals to David Nalbandian . David Ferrer won the title, defeating Nalbandian 6–3, 6–2 in the final.
The top four seeds receive a bye to the second round.
Grand Slam events ATP World Tour Masters 1000 ATP World Tour 500 series Rotterdam (S , D ) Memphis (S , D ) Dubai (S , D ) Acapulco (S , D ) Barcelona (S , D ) Hamburg (S , D ) Washington (S , D ) Beijing (S , D ) Tokyo (S , D ) Valencia (S , D ) Basel (S , D ) ATP World Tour 250 series Brisbane (S , D ) Chennai (S , D ) Doha (S , D ) Sydney (S , D ) Auckland (S , D ) Johannesburg (S , D ) Zagreb (S , D ) Santiago (S , D ) San Jose (S , D ) Costa do Sauípe (S , D ) Buenos Aires (S , D ) Marseille (S , D ) Delray Beach (S , D ) Casablanca (S , D ) Houston (S , D ) Munich (S , D ) Belgrade (S , D ) Estoril (S , D ) Nice (S , D ) London (S , D ) Halle (S , D ) 's-Hertogenbosch (S , D ) Eastbourne (S , D ) Newport (S , D ) Båstad (S , D ) Stuttgart (S , D ) Atlanta (S , D ) Gstaad (S , D ) Los Angeles (S , D ) Umag (S , D ) Kitzbühel (S , D ) Winston-Salem (S , D ) Bucharest (S , D ) Metz (S , D ) Bangkok (S , D ) Kuala Lumpur (S , D ) Stockholm (S , D ) Moscow (S , D ) St. Petersburg (S , D ) Vienna (S , D ) Team events