World number two Novak Djokovic imitated serve routines of players while practicing ahead of US Open 2023. He imitated Maria Sharapova's distinctive serve routine, complete with her trademark grunt. Djokovic imitated John McEnroe on request of a fan and also imitated Nick Kyrgios. Djokovic, who was seen laughing while imitating players, had defeated Carlos Alcaraz in Cincinnati Masters final.