Roland Garros, 28/5/2011 Juan Martin DEL POTRO (ARG) Photo Ray GIUBILO

Wimbledon, 1/07/2011 Novak DJOKOVIC (SRB) defeats Jo-Wilfried TSONGA (FRA) 7-6(7/4) 6-2 6-7(9/11) 6-3 and becomes the World N.1 ranked player. Photo Ray Giubilo

Melbourne, 26th January 2014 Swiss Stanislas Wawrinka has won the Australian Open with an upset victory over world No.1 Rafael Nadal.Wawrinka won 6-3 6-2 3-6 6-3 and becomes world N.3 in the rankings. Photo Ray Giubilo

Ambience US OPEN Tennis - 2015 US OPEN - Grand Slam ATP / WTA - USTA Billie Jean King National Tennis Centre - NEW YORK - NY - USA - 4 September 2015.