Serena Williams' first competitive match of the season, on New Year's Eve, was by no means perfect, but a 6-4, 6-4 win over Andrea Petkovic at the Brisbane International was a decent start against a player with a career-high ranking of No. 9. Top-ranked Williams was understandably below her best after the offseason. Top-ranked Williams started 2013 in Brisbane with a title, the first of 11 for the year that included two major championships. More...