Azarenka 14-0 in 2012 after Doha win Lucie Safarova, shown at last year's U.S. Open, picked up her second upset win of the tournament Thursday when she advanced to the quarterfinals of the Qatar Total Open. DOHA, Qatar, Feb. 16 (UPI) -- World No. 1 Victoria Azarenka won easily Thursday and Lucie Safarova recorded her second upset at the Qatar Total Open tennis tournament. Safarova defeated second-seeded Caroline Wozniacki in a second-round match Wednesday and took out No. 14-seeded Svetlana Kuznetsova 7-6 (8-6), 6-3 Thursday in advancing to the tournament quarterfinals. Kuznetsova fought off five break points in the first set but Safarova was able to take the tiebreaker. Safarova notched a pair of breaks in the second set to win. Azarenka improved to 14-0 on the year with a 6-3, 6-1 win over Simona Halep. Azarenka piled up six breaks over Halep's eight service games. 3-seeded Samantha Stosur topped Petra Cetkovska 6-3, 6-2 with five breaks while fourth-seeded Agnieszka Radwanska beat Varvara Lepchenko 7-5, 6-1 and Marion Bartoli, the No. 5 seed, got by Tsvetana Pironkova 6-3, 6-3. Also Thursday, Yanina Wickmayer was a 6-4, 6-0 winner over Ksenia Pervak, Christina McHale rallied for a 4-6, 6-3, 6-4 decision over Shahar Peer, and Monica Niculescu advanced at the expense of Kateryna Bondarenko 7-6 (7-5), 6-4. Azarenka plays Wickmayer and Radwanska goes against McHale in one half of the draw's quarterfinals while Stosur faces Niculescu and Bartoli meets Safarova in the other.