NYTimes: “In U.S. Open Victory, Naomi Osaka Pushes Japan to Redefine Japanese”

Motoko Rich on Naomi Osaka’s win against her idol, Serena Williams:

In becoming the first Japanese-born tennis player to win a Grand Slam championship, Ms. Osaka, 20, is helping to challenge Japan’s longstanding sense of racial purity and cultural identity.

Her emergence comes at a time when Japan is also grappling with a declining population, a looming demographic crisis that has prompted the country to open its doors slightly to accommodate an increase in foreign residents and descendants of Japanese immigrants who want to return to Japan.