In Australian Open Tennis, Indo-American duo of Sania Mirza and Bob Bryan reached second round of the Mixed Doubles event in Melbourne today. They defeated Australian pair of Samantha Stosur and Luke Saville 6-2, 6-2. In women's singles, Russia's Maria Sharapova, Poland's Agniezka Radwanska, Angelic Kerber of Germany and Lee Na of China reached the quarter finals after winning their respective matches.World Number One Novak Djokovic of Serbia, Spaniard David Ferrer, and South Africa's Kevin Anderson also reached the men's singles quarter finals today.