World No.2 Petra Kvitova answered questions from reporters at her pre-tournament press conference.
Caroline Wozniacki discussed the No.1 ranking she holds but Petra Kvitova is knocking on the door of.
Ana Ivanovic was one of the fallen ones on Day 1, losing in straights to Czech lefty Lucie Safarova.
In a rematch of the 2010 French Open final, Sam Stosur took on Francesca Schiavone - but lost, 62 64.
Peng Shuai, currently China's No.2 player behind Li Na, celebrated her 26th birthday Sunday in Sydney.
Chinese No.1 Li Na, the defending champ at the Apia International Sydney, showed her Australian spirit.
Victoria Azarenka was all smiles after doing a phone interview. Azarenka is the No.3 seed this week.
Ken Rosewall Arena glowing in the sunset. The tournament's center court holds 10,000 spectators.
Andrea Petkovic, who made her first major quarterfinal in Australia last year, at the USANA booth.
Caroline Wozniacki took part in a kids clinic. The Dane is No.1 for a 65th career week this week.
Victoria Azarenka did some warm-up exercises. She won her first two rounds in straight sets this week.
Victoria Azarenka is the highest-ranked Belarusian in WTA history, currently at a career-high No.3.
Agnieszka Radwanska, the No.7 seed in Sydney, hit the practice courts ahead of her second round match.
Li Na's personalized shoes. She became China's first ever Premier-level champion in Sydney a year ago.
Caroline Wozniacki met the press after beating Dominika Cibulkova, 75 26 64. She trailed 4-0 third set.
Petra Kvitova's start to the week was also tough, grinding out a 75 36 64 win over Alexandra Dulgheru.
Jelena Jankovic at the player party.
Vera Zvonareva at the player party.
Virginie Razzano at the player party.
Andrea Petkovic at the player party.