Sharapova sears Kerber, books 4th-round spot: 
Maria Sharapova beat Angelique Kerber 6-1, 6-2 in the third round of the Australian Open on Saturday, showing no signs of rustiness despite her limited preparation for the season's first major.
Maria Sharapova beat Angelique Kerber 6-1, 6-2 in the third round of the Australian Open on Saturday, showing no signs of rustiness despite her limited preparation for the season's first major.
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