In the Australian Open Tennis, Spaniard David Ferrer will play American John Isner while Scottish Andy Murray will face Bernard Tomic of Australia in 4th Round of Men's Singles in Melbourne today. In another fixture today, Swiss player Stan Wawrinka will face Canadian Milos Raonic. Meanwhile, the 4th Round Women's Singles match between Victoria Azarenka of Belarus and Czech Republic's Barbora Strycova is underway. In Women's Doubles, top seed Indo-Swiss duo of Martina Hingis and Sania Mirza will play against Russian – Italian pair of Svetlana Kuznetsova and Roberta Vinci. In Men's doubles, top seed Jean-Julien Rojer and Horia Tecau will take on Italian pair Jean-Julien Marco Cecchinato and Andreas Seppi.Four-times champion and world number three Swiss player Roger Federer entered the Men's Singles quarter-finals with a 6-2, 6-1, 6-4 victory over David Goffin yesterday. World number one Novak Djokovic of Serbia has also entered the quarter finals.