How 'teddy bear' coach is helping Osaka find mojo

Image caption, Two-time US Open champion Naomi Osaka has reached her first major quarter-final since the 2021 Australian OpenNaomi Osaka had little to discuss as she faced the media at Wimbledon. Anger had given way to apathy.

The four-time major champion felt she had "nothing positive to say" after a discouraging third-round exit.

Now, less than two months later, the smile has returned to Osaka's face.

The 27-year-old former world number one seems to have rediscovered her mojo as she prepares to face Czech 11th seed Karolina Muchova in the US Open quarter-finals on Wednesday.

"Some of her tennis has been reminiscent of when she won her two titles here," said former British number one Annabel…