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 today 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. Meanwhile, the Indian challenge will play its quarterfinal match in the Mixed Doubles category on Wednesday. The Indian pair of Mahesh Bhupathi and Sania Mirza will clash with the English-American combine of Colin Fleming and Liezel Huber.