Top-ranked Victoria Azarenka of Belarus cruised into the semifinals of the BNP Paribas Open Wednesday with a convincing win over Agnieszka Radwanska. Azarenka stayed perfect this year at 21-0 with a 6-0, 6-2 dismantling of the fifth-seeded Pole in a 68-minute match at the Indian Wells Tennis Garden. The world No. 1 and Australian Open champion improved to 4-0 in four meetings against Radwanska this season, including a January victory over her en route to the Melbourne title. Azarenka will continue her quest for her fourth crown of 2012 in the semis against the winner of Friday\'s quarterfinal match between Li Na and Angelique Kerber.