Czech Republic's Tomas Berdych plays a return during his men's singles match against Austria's Jurgen Melzer on the fifth day of the Australian Open tennis tournament in Melbourne on January 18, 2013. AFP PHOTO/PAUL CROCK IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE
Credit: PAUL CROCK
Jurgen Melzer of Austria celebrates winning the men's singles quarter final match between Novak Djokovic of Serbia and Jurgen Melzer of Austria at the French Open on day eleven of the French Open at Roland Garros on June 2, 2010 in Paris, France.
Credit: Clive Brunskill
Jurgen Melzer of Austria warms up before his match against John Isner of the USA during the third round of the Winston-Salem Open at Wake Forest University on August 22, 2012 in Winston-Salem, North Carolina.
Credit: Streeter Lecka
Jurgen Melzer of Austria plays a forehand during his match against Gael Monfils of France during day four of the 2012 Kooyong Classic at Kooyong on January 14, 2012 in Melbourne, Australia.
Credit: Lucas Dawson
Jurgen Melzer of Austria (doubles partner with Philipp Petzschner of Germany) hits a return against Jonathan Erlich of Israel and Andy Ram of Israel during their doubles match at the Sony Ericsson Open at Crandon Park Tennis Center on March 30, 2011 in Key Biscayne, Florida.
Credit: Mike Ehrmann
Jurgen Melzer of Austriaplays a backhand in his third round match against Marcos Baghdatis of Cyprus during day six of the 2011 Australian Open at Melbourne Park on January 22, 2011 in Melbourne, Australia.
Credit: Mark Dadswell
Jurgen Melzer of Austria serves in his third round match against Marcos Baghdatis of Cyprus during day six of the 2011 Australian Open at Melbourne Park on January 22, 2011 in Melbourne, Australia.