A tearful Andy Murray revealed he was forced to miss his grandmother's funeral as he helped Great Britain to a Davis Cup victory over Switzerland on Friday night.
The US Open has no plans to alter its scheduling to prevent matches from finishing in the early hours.
Andy Murray came up just short in a three-hour marathon against world number nine Taylor Fritz in the last 16 of the Citi Open.
Andy Murray suffered more Wimbledon heartache with a five-set defeat by Stefanos Tsitsipas in their delayed second-round clash.
Stefanos Tsitsipas survived a five-set thriller against Dominic Thiem to set set up a second-round clash with British hopeful Andy Murray at Wimbledon.
Andy Murray put on a Centre Court show after he took apart countryman Ryan Peniston with a 6-3 6-0 6-1 victory under the roof at Wimbledon.