Another Wimbledon, another Rafael Nadal loss in the early rounds to a low-ranked serve-and-volleyer who’s destined to be a trivia answer in the Who did Rafa lose to? category. Dustin Brown this year, Nick Kyrgios the year before, Steve Darcis the year before that and Lukas Rosol the year before that. Except for Kyrgios, who has a mouth on him, none of these players is ever going to be a champ.

But Rafa is – was. What has happened to him? Is it age? (He’s 29 but then, Roger Federer’s 33.) His very physical game? A new racket? Loss of confidence and his famous mental toughness? All of the above? ...

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