Swiss tennis player Roger Federer retired from the sport following a career that spanned nearly a quarter century and included 20 Grand Slam titles.
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Watch: Kate challenges Roger Federer on the court ahead of Wimbledon
Kate Middleton tells Roger Federer 'sit down' in…
Kate praises Wimbledon's 'amazingly professional' ball boys and girls
Kate Middleton tells Roger Federer 'sit down' in…
Andy Murray gets a win at rainy Wimbledon and a thumbs-up from Roger Federer
Kate Middleton: 'She's flirting with him': Netizens react as Kate Middleton sits right next to Federer at Wimbledon
Tennis star Wu Yibing appears to faint at Wimbledon after breathing complaints: report
Princess Kate Joins in a Wimbledon Standing Ovation For Roger Federer
Roger Federer receives a lengthy standing ovation at Wimbledon from fans. And from Princess Kate
Kate Middleton tells Roger Federer 'sit down' in awkward exchange at Wimbledon - Mirror Online
Kate Middleton tells Roger Federer 'sit down' in…
Royalty and Tennis Royalty Unite: Princess Kate and Roger Federer Radiate Joy at Wimbledon - Stunning Photos!
Royalty and Tennis Royalty Unite: Princess Kate and Roger Federer Radiate Joy at Wimbledon - Stunning Photos!