One of the best athletes in the history of the sport, the 20-time Grand Slam singles winner,

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After losing in the quarterfinals at Wimbledon the previous year, he underwent three operations in the course of 18 months.

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My hardships over the past three years have included surgeries and injuries.

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In 24 years, I have participated in more than 1,500 matches.

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"One of the greatest athletes in the history of any sport, not just one of the tennis goats.

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Social media was used by fans from around the world to congratulate Federer on his remarkable career.

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Without my wonderful parents and my darling sister, none of this would have been possible, so I also want to acknowledge and thank them.

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I count myself lucky to have participated in so many memorable huge games.

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Before you, I had the honour of performing in more than 40 different nations.

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who frequently spared time from his hectic schedule to support me internationally as I played. I'm grateful.

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