AUSTRALIA TENNIS AUSTRALIAN OPEN GRAND SLAMRafael Nadal of Spain wipes sweat from his face as he waits for medical time out for opponent Marcos Daniel of Brazil during their first round match 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 . >