Chi ci sar Argentina Juan Martin del Potro, Juan Monaco, Carlos Berlocq, David Nalbandian
Australia Bernard Tomic, Lleyton Hewitt (*)
Austria Jurgen Melzer
Belgio Olivier Rochus, David Goffin, Steve Darcis
Brasile Thomaz Bellucci (*)
Bulgaria Grigor Dimitrov
Canada Milos Raonic, Vasek Pospisil (*)
Taipei Lu Yen-Hsun
Colombia Santiago Giraldo, Alejandro Falla
Croazia Marin Cilic, Ivo Karlovic, Ivan Dodig
Cipro Marcos Baghdatis
Repubblica Ceca Tomas Berdych, Radek Stepanek
Finlandia Jarkko Nieminen
Francia Jo-Wilfried Tsonga, Gilles Simon, Gael Monfils, Richard Gasquet
Germania Philipp Kohlschreiber
Gran Bretagna Andy Murray
India Somdev Devvarman (*)
Italia Andreas Seppi, Fabio Fognini
Giappone Kei Nishikori, Go Soeda, Tatsuma Ito
Kazakistan Mikhail Kukushkin
Lussemburgo Gilles Muller
Olanda Robin Haase
Polonia Lukasz Kubot
Romania Adrian Ungur (*)
Russia Mikhail Youzhny, Alex Bogomolov Jr, Nikolay Davydenko, Dmitry Tursunov
Serbia Novak Djokovic, Janko Tipsarevic, Victor Troicki
Slovacchia Lukas Lacko, Martin Klizan
Slovenia Blaz Kavcic (*)
Spagna Rafael Nadal, David Ferrer, Nicolas Almagro, Fernando Verdasco
Svizzera Roger Federer, Stanislas Wawrinka
Tunisia Malek Jaziri (*)
Ucraina Sergiy Stakhovsky (*)
USA John Isner, Andy Roddick, Donald Young, Ryan Harrison
Uzbekistan Denis Istomin
(*) Invito ITF
(#) Invito Commissione Tripartita
