Inordinately long toilets breaks and medical timeouts at critical moments could soon be a thing of the past.
Emma Raducanu took New York by storm, en route to her victory as she became the first qualifier in history to claim a grand slam.
Murray was heard speaking to the chair umpire during the match where he was complaining about the length of time Tsitsipas was off the court.
Coco Gauff survived a scare before going past Magda Linette with a 5-7, 6-3, 6-4 victory at the US Open.
Murray went down gracefully as one of the hardest and longest matches in the history of Grand Slam tournament.