BRISBANE, Australia — It's been an injury and illness-filled start to 2016 for the top six women in tennis, and just a week from the start of the Australian Open.
Defending Sydney International champion Petra Kvitova, a two-time Wimbledon winner, pulled out of the Sydney tournament on Sunday, the second week in a row she's had to quit due to a stomach virus. She was joined a few hours later by scheduled No. 2 Sydney seed Agnieszka Radwanska, who has a left leg injury.
Last week, the world's four top-ranked women retired or withdrew from tournaments due to injuries on the left side of their bodies: No.