Naomi Osaka has parted company with coach Patrick Mouratoglou less than a year after the pair began working together, the four-times Grand Slam champion said days after her defeat to Emma Raducanu at the Washington Open.

Naomi Osaka is going through tough waters, and fans are thinking she's done. The 27-year-old faced another premature exit at the ongoing Citi DC Open in Washington.

During the video essay, Mouratoglou highlighted the changing profile of players in terms of height and body composition, while pinpointing Carlos Alcaraz as an ‘exception.’ Mouratoglou said: “Clearly there is a change in terms of body type of the tennis player for the last years.