Serena Williams Safina Breeze To Quarterfinals In Sydney

Serena William American and Russian Dinara Safina, the top two seeds, cruised to the quarterfinals with straight-set victories Tuesday to $ 600,000 Medibank International, an Australian Open tune-up. William blitzed Italian Sara Errani, 6-1, 6-2, while Safina is off compatriot Vera Dushevina, 6-3, 6-0. William needed only 51 minutes to win his match and fired nine aces..