"Physically I'm doing well on the court, but I'm going to need it a little bit more in the next match."

In women's draw, Second seed Russian Zvonareva, a finalist at the past two Grand Slam events - Wimbledon and the U.S. Open, on Wednesday took control of the match capitalizing on the nerves of her opponent, Czech No.25 seed Petra Kvitova, to win 6-2 6-4 in just 75 minutes.

Third seed Clijsters also comfortably banished Polish No.12 Agnieszka Radwanska 6-3 7-6 (7-4).

Zvonareva will face a tight game against Clijsters in the semis finals.

"I have to make sure I prepare myself well for the match, I don't over train, I stay fresh, stay focused on that match," Zvonareva told reporters in Melbourne. "I definitely will try to take positives from those matches when I beat her and try to think over again, okay, why I lost so quickly in the final, just try to avoid those moments."

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