Fritz and Mpetshi Perricard’s match, by contrast, was at the mercy of the most sacred and strange tradition of them all: the 11 p.m. curfew imposed on a sporting event beamed across the globe. Wimbledon is the only Grand Slam with an early bedtime, and the lights go out on time, every time, with no exceptions — almost.

She defeats No. 1-ranked Aryna Sabalenka in a semifinal Thursday and will face five-time major champion Iga Swiatek for the title at All England Club.