Officials told them to play on, and then, at 9:30 p.m., told them to stop. A spokesperson for the tournament said that “due to poor light it was not possible to continue and not an option to move to another court.” “I was telling him, I only need 60 seconds,” Shelton said in his news conference Friday.

Ben Shelton takes 70 seconds to finish Wimbledon match suspended due to darkness - The Athletic
The New York Times