Rafael Nadal and Roger Federer could meet in the last four at Australian Open . Top seed Novak Djokovic and world No . 4 Andy Murray may also meet in semis . The Dane , who is yet to win one of the four grand slams , starts off against Australia 's Anastasia Rodionova . TL;DR The U.S. women's tennis team will play its first match of the year on Sunday against Australia, but it won't be a friendly match. The 100th edition of the Melbourne grand slam begins on Monday .
Rafael Nadal and Roger Federer could meet in the last four at Australian Open . Top seed Novak Djokovic and world No . 4 Andy Murray may also meet in semis . TL;DR The U.S. women's tennis team will play its first match of the year on Sunday against Australia, but it won't be a friendly match. The 100th edition of the Melbourne grand slam begins on Monday .