"Unfortunately I didn't win a lot of matches against him, but I' m looking forward. It's another chance. I have nothing to lose. I'm going to go for it," he added.

Chinese Taipei's Lu Yen-Hsun advanced to the third round of a Grand Slam championship for the first time, when the 25-year-old defeated 10th-seeded Argentine David Nalbandian 6-4, 5-7, 4-6, 6-4,6-2 in three hours and 55 minutes.

Lu hit nine aces and 51 winners past last week's Sydney champion who squandered six break point opportunities in the final game.

Lu, currently a career-high No. 61 in the world rankings, will next meet No. 21 seed Tommy Robredo of Spain in the third round.

"For sure now I am really happy. I pick up the phone all the time and my friends give congratulations to me," said Lu.

"It's a big step to be in the third round in a Grand Slam, because before I always reach only the second round. It is really something in my career," he added.

Defending champion Novak Djokovic, American Andy Roddick, Argentine hotshot Juan Martin Del Potro all came through the second round.

In women's play, some were tested while some cruised, but all of the favorites moved past their second round opponents in the second round.

Fifth seed and 2007 runner-up Ana Ivanovic of Serbia eased past Alberta Brianti 6-3, 6-2, hitting 26 winners, over twice as many as the Italian qualifier and breaking serve five times en route to the comprehensive win.

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