On Tuesday, Serena Williams beat her older sister Venus Williams in the U.S. Open tennis tournament 2015 quarterfinal round.
Serena won the first set 6-2, but Venus came back strong, capitalizing on her sister’s unforced errors to take the second set 6-1.
Serena, however, came back to take the third set 6-3.
Serena has won all the three other major tournaments this year and a grand slam awaits if she wins the U.S. Open.
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