In Australian Open Tennis, Britain's Andy Murray will clash with World Number Two Roger Federer of Switzerland in the semi final match of the Men's Singles today. World Number One Novak Djokovic of Serbia has already booked a berth in the final by beating Spaniard David Ferrer, 6-2, 6-2, 6-1 in the first semi final yesterday.In the Women's doubles, the Italian pair of Sara Errani and Roberta Vinci will fight it out with the Australian duo of Ashleigh Barty and Casey Dellacqua for the title today.