The rejuvenation of Rafael Nadal is a curious concept, given his mystique has always been derived from his image as a man-child, one whose primal intensity on court is leavened by bashful, innocent charm. But in his performance against Grigor Dimitrov, winning a five-hour spectacular in a slam semi-final just months after joking with Roger Federer about playing a charity match in Majorca, he offered a sense that, aged 30, he had rediscovered the elixir of eternal youth.
