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Grand Slam Champion Naomi Osaka of Japan in Action during Her 2019 US Open Third Round Match at National Tennis Center Editorial Image - Image of forehand, osaka: 159129440
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US Open 2019: Grand Slam to be richest tennis tournament in history with prize money increased to $57 million-Sports News , Firstpost
![Melbourne, Australia. 26th Jan, 2019. Naomi Osaka from Japan won the women's title at the 2019 Australian Open Grand Slam tennis tournament in Melbourne, Australia, and became the new world number one. Melbourne, Australia. 26th Jan, 2019. Naomi Osaka from Japan won the women's title at the 2019 Australian Open Grand Slam tennis tournament in Melbourne, Australia, and became the new world number one.](https://c8.alamy.com/comp/RFHEN4/melbourne-australia-26th-jan-2019-naomi-osaka-from-japan-won-the-womens-title-at-the-2019-australian-open-grand-slam-tennis-tournament-in-melbourne-australia-and-became-the-new-world-number-one-frank-molteralamy-live-news-RFHEN4.jpg)