`` I just went for my shots out there . World No . 1 Maria Sharapova loses fourth - round match against Sabine Lisicki . Lisicki will next play compatriot Angelique Kerber in Wimbledon quarterfinals . Eighth seed Lisicki plays Kim Clijsters in Belgian 's final appearance at SW19 . Four - time winner Serena Williams to face defending champion Petra Kvitova .
World No . 1 Maria Sharapova loses fourth - round match against Sabine Lisicki . Lisicki will next play compatriot Angelique Kerber in Wimbledon quarterfinals . Eighth seed Lisicki plays Kim Clijsters in Belgian 's final appearance at SW19 . Four - time winner Serena Williams to face defending champion Petra Kvitova .