Mahesh Bhupathi and Jurgen Melzer crashed out of the men's doubles event of the Australian Open Tennis today. Bhupathi and his Austrian partner lost 4-6 3-6 in the first round, which lasted only 67 minutes. They were defeated by Argentine team of Diego Schwartzman and Horacio Zeballos. Rohan Bopanna and his Canadian partner Daniel Nestor will open their campaign against Marcos Baghdatis of Cyprus and Marinko Matosevic from Australia.World number one Serena Williams, her sister Venus Williams and Agnieszka Radwanksa of Poland have progressed to the Womens's Singles third round . In the second round this morning, while Serena defeated Russia's Vera Zvonareva, 7-5, 6-0, Venus beat fellow American Lauren Davis, 6-2, 6-3. Radwanska eased past Johanna Larsson of Sweden, 6-0, 6-1.