Popsugar Fitness Celebrity Fitness Who Is Naomi Osaka? 8 Things You Need to Know About US Open Sensation Naomi Osaka September 8, 2018 by Tamara Pridgett First Published: September 6, 2018 View On One Page Photo 4 of 8 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Naomi Osaka 大坂なおみ (@naomiosakatennis) on Jul 25, 2018 at 12:53pm PDT Share This Link Copy ← Use Arrow Keys → 4 Her Workouts Are No Joke Previous Next Start Slideshow AthletesTennisUS Open