Defending champion in the individual was Jürgen Melzer , but he was eliminated in the quarter-finals. The winner was the top seeded Jo-Wilfried Tsonga , who defeated the second seeded Juan Martín del Potro in the final and was able to book his seventh career title. Daniel Nestor and Nenad Zimonjić won the doubles title last year , but they no longer competed together. Nestor made it back to the final together with Max Mirny , but lost to the top seeded twins Bob and Mike Bryan , who celebrated their 74th joint title.
The field of participants in the single competition consisted of 28 players, that of the doubles competition consisted of 16 pairs. The four top seeded players in the singles each got a bye into the second round. The total prize money was 575,250 euros; the total financial liabilities were 650,000 euros.
The qualification took place from October 22nd to 24th, 2011. Four qualifying places were played, which entitle them to participate in the main draw of the tournament.
The following prize money and world ranking points were paid out or credited for reaching the respective round. Players who moved into the main draw via qualification received the specified qualification points in addition to those for reaching the respective round. Otherwise the amounts are not to be understood as cumulative. Prize money for the double competition applies per team.
Daniel Nestor Nenad Zimonjić
Jo-Wilfried Tsonga
Bob Bryan Mike Bryan
Albert Ramos (84)
Tommy Haas
Aljaž Bedene
Steve Darcis
R. Haase
J. Nieminen
F. Fognini
R. Štěpánek
N. Dawydenko
K. Anderson
JM del Potro
M. Baghdatis
I. Karlović
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