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The fiercely independent Mr. Federer has begun a process that may result in a retooling of his tennis game. 'I want to move on as a player,' Mr. Federer says. 'I want to have new ideas.'
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The fiercely independent Mr. Federer has begun a process that may result in a retooling of his tennis game. 'I want to move on as a player,' Mr. Federer says. 'I want to have new ideas.'
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