In the Australian Open Tennis tournament at Melbourne , India 's Sania Mirza and her Russian partner Elena Vesnina on Wednesday crashed out of the Women's Doubles after they lost in the semi-finals. The sixth seeded Indo-Russian pair lost to the Russian duo of Svetlana Kuznetsova and Vera Zvonareva, 6-7, 6-2, 4-6. In the Men's Doubles, the Indo-Czech combine of Leander Paes and Radek Stepanek on Wednesday waltzed into the semi-finals, beating the American-Brazilian combine of Eric Butorac and Bruno Soares, 6-4, 7-6. In Mixed Doubles, the Indo-Russian pair of Leander Paes and Elena Vesnina today advanced into the quarterfinals of the event. The Indo-Russian pair defeated Marcin Matkowski of Poland and his partner from Chinese Taipie Su-Wei Hsieh, 6-3, 7-5. The second encounter of quarterfinals in Mixed Doubles is on between Indian pair of Mahesh Bhupathi and Sania Mirza and the English-American combine of Colin Fleming and Liezel Huber. In the Men Singles defending champion Novak Djokovic stormed into the semi finals. Serbian Djokovic defeated David Ferrer of Spain 6-4, 7-6, 6-1 in quarterfinals on Wednesday. Djokovic will meet Andy Murray in the semi finals.