Li Na of China is through to her third Australian Open final at Melbourne today. World number 4 Li Na defeated 19-year-old Canadian Eugenie Bouchard 6-2, 6-4. The other women's singles semi final will be played between Polish Agnieszka Radwanska and Dominika Cibulkova of Slovakia. In Mixed Doubles, Indo-Slovakian pair of Leander Paes and Daniela Hantuchova will take on the French-Canadian duo of Kristina Mladenovic and Daniel Nestor for a semi final berth. In another Mixed Doubles Quarter Final match Sania Mirza and her Romanian partner Horia Tecau will clash with German Julia Goerges and Pak Aisam-ul-Haq-Qureshi.In Men's Singles Semifinal today, Czech Tomas Berdych will clash with Stanislas Wawrinka of Switzerland. Wawrinka's had uprooted defending champion Novak Djokovic in Quarter finals and Berdych ousted World Number 3 David Ferrer. However, the big semi final that will grab eyes is between Swiss Roger Federer and Rafael Nadal of Spain.