Popsugar Celebrity Naomi Osaka Naomi Osaka and Her Sister Mari's Cutest Pictures Together Naomi Osaka's Pictures With Her Sister, Mari, Prove They're a Perfect Team on and Off Court 14 July 2021 by Kelsie Gibson Image Source: Shutterstock Naomi Osaka is sharing her story in her self-titled Netflix docuseries, and as a result, we're getting some rare peeks into the 23-year-old tennis player's personal life. In addition to some cute glimpses of her relationship with rapper Cordae, we also see her close bond with her older sister, Mari Osaka. Just like Naomi, Mari is an experienced tennis player. The 25-year-old made her WTA Tour debut in 2014, but eventually retired in early 2021. While the two have shared the tennis court from time to time, including their doubles match at the Pan Pacific Open in Japan in 2017, they are a close duo off the court as well. The sisters have shared some adorable snaps together on their Instagram accounts over the years. See some of their sweetest sisterly moments ahead. Related: "What Am I, If I'm Not a Good Tennis Player?" Watch the Trailer For Naomi Osaka's Netflix Doc View this post on Instagram A post shared by 大坂なおみ (@naomiosaka) 1 / 7 Happy birthday to my sister! 😩❤️🙌🎂🎉🎊🎁 pic.twitter.com/UbpPHEMXmF— NaomiOsaka大坂なおみ (@naomiosaka) April 3, 2018 2 / 7 Image Source: Getty / Koji Watanabe 3 / 7 View this post on Instagram A post shared by Mari Osaka 大坂まり (@mari.osaka) 4 / 7 View this post on Instagram A post shared by Mari Osaka 大坂まり (@mari.osaka) 5 / 7 View this post on Instagram A post shared by 大坂なおみ (@naomiosaka) 6 / 7 Image Source: Shutterstock 7 / 7 Naomi OsakaCelebrity InstagramsCelebrity Families