Popsugar Health & Fitness Celebrity Fitness Who Is Aryna Sabalenka? 6 Facts You Should Know About the Rising Tennis Star Aryna Sabalenka 5 September 2018 by Tamara Pridgett View On One Page Photo 6 of 6 ADVERTISEMENT () Start Slideshow A post shared by Aryna Sabalenka (@sabalenka_aryna) on Sep 21, 2017 at 5:40am PDT Share This Link Copy ← Use Arrow Keys → 6 She Has Insane Ab Strength Instead of doing standard reverse crunches, Aryna made the exercise harding by adding resistance. She doesn't even look tired! Previous Next Start Slideshow AthletesUS OpenTennis