In Australian Open Tennis, Mixed doubles final is underway between Indo- Croatian pair of Sania Mirza and Ivan Dodig and the the American-Colombian duo of Abigail Spears and Juan Sebastian Cabal. Sania is eyeing her seventh Grand Slam title today. In men's singles final, Roger Federer will face old rival Rafael Nadal in the summit clash at the Rod Laver Arena in Melbourne this afternoon. Federer and Nadal each had survived epic five-set matches in their respective semifinals. Nadal will be eyeing his 15th Grand Slam title when he plays the men's singles final today. If Federer wins, he will add an 18th Grand Slam trophy to his career record total. Federer has never beaten Nadal at the Australian Open in their three previous meetings.