Serbian player Novak Djokovic (L) shakes hands with Bulgarian player Grigor Dimitrov at the end of their tennis match at the Madrid Masters at the Magic Box (Caja Magica) sports complex in Madrid on May 7, 2013. Dimitrov won the match 7-6, 6-7, 6-3. AFP PHOTO / DOMINIQUE FAGET
Credit: DOMINIQUE FAGET
Grigor Dimitrov of Bulgaria plays a shot whilst sitting down after slipping over during the Gentlemen's Singles semi-final match against Novak Djokovic of Serbia on day eleven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2014 in London, England.
Credit: Al Bello
Grigor Dimitrov, Tony Giallonardo and Maria Sharapova attend a Q&A session with tennis player Grigor Dimitrov led by Simon Briggs for an exclusive crowd at OTTO Luxury Menswear on June 17, 2013 in London, England.
Credit: Dave M. Benett
Grigor Dimitrov of Bulgaria celebrates a point in his quarterfinal match against Rafael Nadal of Spain during day 10 of the 2014 Australian Open at Melbourne Park on January 22, 2014 in Melbourne, Australia.
Credit: Quinn Rooney
Grigor Dimitrov of Bulgaria celebrates after winning his Gentlemen's Singles quarter-final match against Andy Murray of Great Britain on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2014 in London, England.
Credit: Matthew Stockman
Grigor Dimitrov of Bulgaria celebrates winning his fourth round match against Roberto Bautista Agut of Spain during day eight of the 2014 Australian Open at Melbourne Park on January 20, 2014 in Melbourne, Australia.
Credit: Renee McKay
Grigor Dimitrov of Bulgaria returns a shot to Dudi Sela of Israel during their men's singles second round match on Day Five of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2014 in the Flushing neighborhood of the Queens borough of New York City.