Djokovic to play Italy's Lorenzo first up at Melbourne Park

World number one Novak Djokovic [ Images ] will kick off his Australian Open [ Images ] title defence with a first-round match against 108th-ranked Italian Paolo Lorenzo.

Second-ranked Rafael Nadal [ Images ], the 2009 champion, will have to wait until the weekend to find out his first-round opponent after drawing a qualifier.

World number three Roger Federer [ Images ], whose last Grand Slam win was at Melbourne [ Images ] Park in 2010, has also drawn a qualifier.

Fourth seed Andy Murray [ Images ], bidding for a maiden Grand Slam and to end Britain's long wait for a men's winner in the majors, has drawn 84th-ranked American Ryan Harrison.

Former US Open [ Images ] champion Juan Martin del Potro [ Images ] faces 87th-ranked Frenchman Adrian Mannarino in the first round.