Naomi Osaka is one of the best tennis players in the world. She's a four-time Grand Slam singles champion, and she's about to represent Japan in the Olympics. And in a new Netflix documentary series, directed by Oscar nominee Garrett Bradley, it's clear that these pressures and others have taken a toll on the 23-year-old. What you see in these three episodes also sheds light on her recent decision to withdraw from Wimbledon to prioritize her mental health.