Key events
Alcaraz 3-1 Ruud* (* – denotes next server)
Alcaraz is firmly in control, until he isn’t, and then he faces break point. He takes that point with a nice drop shot and elicits an error to take the advantage. (The US Open stats feed calls that an unforced error, but I disagree.) Alcaraz clinches it with an emphatic smash.
ESPN points to one cluster of fans that…