What does Naomi Osaka bring with herself when she heads into a tennis court? The 2018 US Open champion revealed it all in a video for Tennis Channel. Racquets, water, hair ties, extra contacts, grip strengthener, lucky charm. Osaka had an amazing run at Flushing Meadows beating the American Serena Williams to conquer her first Major title. We will see how many other wins she can get during the season.