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Rafael Nadal faces a potential 2016 Australian Open rematch of his losing final against Swiss fourth seed Stan Wawrinka two years ago, in a quarter-final in the bottom half of the draw

Rafael Nadal faces a potential 2016 Australian Open rematch of his losing final against Swiss fourth seed Stan Wawrinka two years ago, in a quarter-final in the bottom half of the draw (AFP Photo/William West)