![Catherine, Princess of Wales makes small error playing tennis with Roger Federer on Wimbledon court: watch | Fox News Catherine, Princess of Wales makes small error playing tennis with Roger Federer on Wimbledon court: watch | Fox News](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/06/1200/675/GettyImages-1259001795.jpg?ve=1&tl=1)
Catherine, Princess of Wales makes small error playing tennis with Roger Federer on Wimbledon court: watch | Fox News
How has Federer been so successful in the modern era of tennis with such old school style of play that almost nobody uses now (I mean one handed backhand, eastern grip, frequent
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