Venus Williams defeats her sister Serena in Rogers Cup semifinal . Venus had n't beaten Serena in a competitive match since 2009 . Serena won first set but Venus battled back to win 6 - 7 ( 4 ) 6 - 2 6 - 3 .
Venus Williams defeats her sister Serena in Rogers Cup semifinal . Venus had n't beaten Serena in a competitive match since 2009 . Serena took first set but Venus battled back to win 6-7 ( 7/2 ) 6-2 6-3 .