World No . 1 Li Na survives huge scare in Russian Open first round . Azarenka goes one set and 4 -0 down before fighting back to beat Germany Brianti . Defending champion Vera Zvonareva enjoys smooth passage through to round 11 . Vera Zvonareva , the number 11 seed , pulls out of tournament through injury .
World No . 1 Victoria Azarenka survives huge scare in French Open first round . Azarenka goes one set and 4-0 down before fighting back to beat Alberta Brianti . Defending champion Li Na enjoys smooth passage through to round two . Vera Zvonareva , the number 11 seed , pulls out of tournament through injury .