The two teams many consider the favorites to capture the 2013 Australian Open doubles title, Serena and Venus Williams, Sara Errani and Roberta Vinci, are in the same quarter of the draw.
Last time they took the doubles court, the Williams sisters were upended at a Grand Slam for just the ninth time in their legendary partnership in the third round of the 2012 US Open against Maria Kirilenko and Nadia Petrova.

Nevertheless, they are still 104-9 at majors with 13 titles, one short of Gigi Fernández and Natasha Zvereva for second-most for a duo in the Open Era. Also, they are 33-3 at the Australian Open with four titles, the most recent ones coming at their last two appearances here in 2009 and 2010.
As for Errani and Vinci, they are coming off a 2012 that saw them collect a WTA-best eight titles, including the French Open and US Open, en route to being named Doubles Team Of The Year. Also, both players spent time as World No.1 in doubles, where Vinci currently resides. Though they are the No.1 seeds, they would surely be underdogs in a final eight affair with the Williamses, as the Italians only mustered two games in their only clash so far at the Olympics last summer.