New Delhi, July 2 -- LONDON - Stefanos Tsitsipas told reporters before Wednesday's match that he arrived at Wimbledon free of anxiety or stress after a run of form that had given him reasons for confidence. Ninety-eight minutes later, having lost 6-3, 6-4, 6-2 on Centre Court, Tsitsipas was left to articulate the gap between the mindset he had described and the tennis he had produced. That gap, now 12 matches and counting, is one of the most settled facts in the contemporary men's game.

Novak Djokovic reached the third round at Wimbledon for the 20th time in his career on Wednesday, extending his record over Tsitsipas in straight-set fashion and offering a version of his own tennis that he described afterward as "vintage." The word was h...