Defending champion Serena Williams cruises into the fourth round at Wimbledon . World No . 1 will next play Maria Sharapova , who beat her in the 2004 final . It 's a great match-up Third seed Caroline Wozniacki also crashes into last 16 of grass - court grand slam . Italian 10th seed Flavia Mirza and No . 14 Victoria Azarenka of Belarus crash out .
Defending champion Serena Williams cruises into the fourth round at Wimbledon . World No . 1 will next play Maria Sharapova , who beat her in the 2004 final . Third seed Caroline Wozniacki also crashes into last 16 of grass - court grand slam . Italian 10th seed Flavia Mirza and No . 14 Victoria Azarenka of Belarus crash out .