India's Sania Mirza and her Romanian partner Horia Tecau stormed into the semifinals of the mixed doubles event at the Australian Open with straight sets victory over Aisam-ul-Haq Qureshi and Julia Georges, in Melbourne on Thursday. Leander Paes and his Slovakian partner Daniela Hantuchova lost 3—6, 3—6 to Kristina Mladenovic from France and Canada's Daniel Nestor.