1. Federer must win the event to defend the points he earned at Flushing Meadows last year.
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2. This time he will travel to the Turin Olympics free of the world crown, having been unable to defend the title in Moscow last season due to injury.
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3. This is in stark contrast to the 600 cases that China has had to defend against through last this February.
4. Home favourite Colin Montgomerie is back to defend the title he won last year.