Naomi Osaka’s self-titled Netflix docuseries portrays an interesting insight into the life of a four-time grand slam champion. Unlike other athlete documentaries, this one isn’t all about the star’s rise to fame and success. While it does follow her journey over the past two years, starting from her win at the 2018 U.S. Open over Serena Williams, its main focus is on the mental state Naomi was in throughout this time of her life. It brings to light the self-doubt and contemplation an athlete often goes through. “To anyone that would know, they know me for being a tennis player,” she explains in the series. “So what if I’m not a good tennis player?” Champion athletes are often known for their proud and confident image in the media, however, Naomi Osaka is a look into what goes on beyond the court. Here are some of our key takeaways from the…