Serena Williams will return to the top of the world rankings on Monday . At 31 , Williams is the oldest player to achieve the feat . -- I am always crying , but I never thought I would be here again you know , '' Williams told reporters . U.S. star defeated Petra Kvitova in quarterfinals at Wimbledon . Advances to face Maria Sharapova in semifinals .
Serena Williams will return to the top of the world rankings on Monday . At 31 , Williams is the oldest player to achieve the feat . U.S. star defeated Petra Kvitova in quarterfinals at Wimbledon . Advances to face Maria Sharapova in semifinals .