NEW YORK — Ben Shelton and Carlos Alcaraz didn’t really play a tennis match overnight Tuesday into Wednesday morning at the U.S. Open, as they set a record for the latest finish in tournament history. Sure, there were rackets and balls and deuces and ads, but those were mere details. This was a heavyweight prize fight between two of the sport’s biggest stars: an American athletic acrobat of the highest order and an artist in the sweet science of the game, capable of playing a version of tennis familiar to no one else. Styles make fights. So do personalities who...