( CNN ) -- The women 's draw at the Indian Wells Masters event has been thrown wide open after second seed Jelena Jankovic and third-seeded Elena Dementieva were both beaten on Saturday . Pavlyuchenkova celebrates her victory over Jelena Jankovic in the Indian Wells Masters . Serb Jankovic , who ended 2008 as number one in the world but has now dropped to third in the rankings , slumped 6-4 6-4 to Russian 17-year-old Anastasia Pavlyuchenkova . Meanwhile , Russian Dementieva ran out of steam in the final set to go down 7-6 2-6 6-1 to Czech qualifier Petra Cetkovska -- ensuring only 17 of the 32 seeded women failed to make it out of the second round . Fifth seed Ana Ivanovic , the defending champion defeated Anastasiya Yakimova of Belarus 6-4 6-3 and now joins top-seeded Russian Dinara Safina as the tournament favorite . Also through is seventh-seeded Pole Agnieszka Radwanska , who fought back from dropping the opening set to beat Australian Samantha Stosur 3-6 6-3 7-5 .
Petra Cetkovska and Anastasia Pavlyuchenkova both crash out of Indian Jelena Jankovic . Second -seeded Serb Jelena Jankovic beaten by Russian Petra Cetkovska . Russian Dementieva goes down 7 -6 2-6 6-1 to Czech qualifier Petra Cetkovska .