On Wimbledon’s long-awaited opening day, Frances Tiafoe stages the biggest upset

Though Tiafoe, 23, has advanced deeper in Grand Slam events, reaching the quarterfinals of the 2019 Australian Open and the fourth round of last year’s U.S. Open, he has rarely looked as confident and commanding as he did in manhandling Tsitsipas, 6-4, 6-4, 6-3, before a crowd that seemed as delighted as he.