Serena’s sendoff gives way to second week of U.S. Open

By Jon Wertheim Williams’s thrilling three-round run captivated the sports world in the first week of the U.S. Open, but intrigue remains entering the tournament’s second half. The Serena Open is over. Allegedly. And what a five-day event it was. A sendoff befitting a regal and unrivaled player. High production value. High celebrity quotient. High prices. High ratings. High quality tennis—so much so that the featured performer has left open the door (if ever so slightly) to continuing. She didn’t add to her haul of Majors—“23 and Me” endorsement?—but represented herself (and tennis) brilliantl...