Kim Clijsters suffers her first loss of 2012 to Marion Bartoli at the Venus Williams Masters . World No . 1 Azarenka had started 2012 with a 26-match winning streak . Polish first seed Agnieszka Radwanska into the last four after beating Venus Williams . Two -time Miami champion Venus Williams to be sidelined for a month with hip injury .
Victoria Azarenka suffers her first loss of 2012 to Marion Bartoli at the Miami Masters . World No . 1 Azarenka had started the year with a 26-match winning streak . Polish fifth seed Agnieszka Radwanska into the last four after beating Venus Williams . Two-time Miami champion Kim Clijsters to be sidelined for a month with hip injury .