Ballet work helping Osaka find her feet ahead of US Open return

READY TO ROLL: Naomi Osaka of Japan plays a shot in her match against Tamara Korpatsch of Germany in January. Pic: AP Photo/Tertius Pickard

Naomi Osaka says a ballet coach has helped her control her emotions on court.

The 26-year-old is back at the US Open, where she is a two-time winner, after missing last year's tournament following the birth of her first child.