Bernard Tomic, 18, has been considered a budding threat since he advanced to the quarterfinals at Wimbledon.

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Tomic Arrives at U.S. Open With Game That’s Still Growing

Rafael Nadal seemed to suffer from an injury at the Australian Open, when he lost in the quarterfinals to David Ferrer of Spain 6-4, 6-2, 6-3.

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Loss Ends Nadal’s Bid for 4 Slams