In early May, a couple of weeks before she tweeted that she wouldn’t appear at a required news conference at the French Open, Naomi Osaka was on a Zoom call with a writer for Racquet magazine who was trying to gain insight into the athlete’s inner life.

Ms. Osaka said she’d gone to the protests in Minneapolis last year and had been moved by what she saw.

“It was a bit of an eye opener,” she said of the experience, “because I’ve never had time to go out and do anything physically.” Read More