AUSTRALIA TENNIS AUSTRALIAN OPEN GRAND SLAMRafael Nadal of Spain during his match against Marcos Daniel of Brazil at the Australian Open Grand Slam tennis tournament on center court Rod Laver Arena in Melbourne , Australia , 18 January 2011 . The Grand Slam event runs until 30 January 2011 . Daniel retired in the second set of the match on medical grounds . EPA / BARBARA WALTON < 뉴스 의 새 시대 , 연합뉴스 Live > < 모바일 애플리케이션 > < 포토 매거진 >< 저작권자 ( c ) 연합뉴스 . 무단 전재 - 재배 포금 지 . >