Question 1
Gilles Simon
Juan Martin Del Potro
David Ferrer
Question 2
Gustavo Kuerten
Thomaz Bellucci
Tiago Fernandez
Question 3
David Ferrer
Albert Montanes
Fernando Verdasco
Question 4
Gilles Simon
Benoit Paire
Richard Gasquet
Question 5
Philipp Petzschner
Boris Becker
Tommy Haas
Question 6
Marat Safin
Mikhail Youzhny
Nikolay Davydenko
Question 7
Carlos Moya
Marat Safin
Pete Sampras
Question 8
Boris Becker
André Agassi
Mats Wilander
Question 9
Stanislas Wawrinka
Sergiy Stakhovsky
Vladimir Samsonov
Question 10
Juan Monaco
Guillermo Vilas
David Nalbandian
Question 11
Carlos Moya
Andy Roddick
David Ferrer
Question 12
Michael Chang
Ichiya Kumagae
Hyung-Taiks Lee
Question 13
Pete Sampras
Marco Chiudinelli
Lleyton Hewitt
Question 14
David Ferrer
Carlos Moya
Marcos Baghdatis
Question 15
Nicolay davydenko
Serguei Bubka
Novac Djokovic
Question 16
Andy Murray
Andy Roddick
Nicolas Almagro
Question 17
Juan Carlos Ferrero
Carlos Moya
Philippe Soriano
Question 18
Patrick Rafter
Paul-Henry Matthieu
David Ferrer
Question 19
Frederik Nielsen
Ivan Lendl
Victor Hanescu
Question 20
Stefan Edberg
Björn Borg
Magnus Gustafsson
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