It's been four years since the Japanese star Naomi Osaka last won a tour event. For much of the last year, she's been working with the coach Patrick Moratoglou, but they parted company just over a ...

For more than two decades, Patrick Mouratoglou has been one of the most important coaches in tennis. Known for working with Grand Slam champions and kids alike, Mouratoglou has shaped multiple ...

Just over a week ago, before the start of the Canadian Open, it was announced Naomi Osaka split with tennis coach Patrick Mouratoglou, ending their 10-month partnership. Now, the four-time grand slam ...