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SYDNEY (Reuters) - Serena Williams was on her best behavior when she arrived in Sydney on Saturday to put the finishing touches to her preparations for the Australian Open.

The American was all smiles as she turned on the charm offensive for the media scrum that greeted her in the arrivals hall at Sydney airport.

"I feel it's over. It was what it was," she told reporters. "I think I've spoken enough about it."

Williams escaped a suspension after the Grand Slam Committee opted to slap her with a fine and a two-year probation, allowing her to compete in the Australian Open, starting in Melbourne on January 18.

"It's all about doing the best that I can," she said.

"Obviously I love playing well in all the grand slams and I hate to lose, regardless of where it is.

"Whenever I play, I give 200 per cent and whether that's becoming number one as a result or becoming number 50, it doesn't matter as long as you enjoy what you do."

(Reporting by Julian Linden; Editing by John O'Brien)