(London)  --  Novak Djokovic breezed past Kevin Anderson on Centre Court in straight sets at Wimbledon on Wednesday.  The world's number one beat the South African in a rematch of the 2018 Wimbledon final.  Meanwhile, two-time winner Andy Murray survived a five-set scare against Oscar Otte to win on Centre Court.  Americans Coco Vandeweghe, Sloane Stephens, and Madison Keys won their second-round matches while Venus Williams and Sofia Kenin lost in straight sets.  On Thursday, Roger Federer will be in second-round action as he faces France's Richard Gasquet.