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.

Wimbledon's strict 11 p.m. curfew balances tennis excitement with local residents' needs, impacting matches and player health.

What is too hot for tennis? Wimbledon's break rule explained - Air temperature on the grounds on the first day at Wimbledon reached 32.3C