In the mixed doubles final of the Australian Open, India's Sania Mirza and her Romanian partner Horia Tecau lost to French-Canadian pair of Kristina Mladenovic and Daniel Nestor, 6-3, 6-2 in Melbourne today.Top seeded Rafael Nadal will clash with No. 8 seed Stanislas Wawrinka in the Men's Singles final today. Nadal is playing in his third Australian Open final hoping to win it for the first time since 2009. Wawrinka, on the other hand, is playing in his first major final. China's Li Na has won the women's singles title. She defeated Dominika Cibulkova of Slovakia in straight sets 7-6, 6-0 yesterday.