Maria Sharapova became the second Russian tennis-player, who passed to quarter-final of Australian Open championship. Within the borders of 1/8-final Sharapova, ranked 4-th in championship, defeated Slovakian Daniela Khantukova, 17-th racket of competition. The result of Sunday game is 6:4, 6:4 in favor of Russian sportswoman. Now Sharapova will play with co-patriot Nadezhda Petrova, who from her turn defeated another Russian tennis-player Elena Vesnina.