Naomi Osaka has begun her participation in the China Open with a victory and opened up about her new collaboration with Serena Williams' former coach. Naomi Osaka’s first year after returning from her maternity leave hasn’t been easy for the four-time Grand Slam champion.

Naomi Osaka admitted that she was initially hesitant to hire Patrick Mouratoglou as her coach because she wondered how it would all look if she worked with such "a big persona" but then got to know him a bit and realized that it was probably worth giving a shot.

Naomi Osaka split from Belgian coach Wim Fissette this month as she attempts to return to the form that propelled her to the top of the women’s game.