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Italy's Roberta Vinci plays a backhand shot to Russia's Nadia Petrova at the Sydney International Tennis tournament in Sydney, Australia, Monday, Jan. 7, 2013.(AP Photo/Rob Griffith Stock Photo - Alamy
![Ash Barty of Australia celebrates her win over Elise Mertens of Belgium during their women's singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 10, 2019. (AP Photo/Rick Rycroft Ash Barty of Australia celebrates her win over Elise Mertens of Belgium during their women's singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 10, 2019. (AP Photo/Rick Rycroft](https://c8.alamy.com/comp/2MKR0MY/ash-barty-of-australia-celebrates-her-win-over-elise-mertens-of-belgium-during-their-womens-singles-match-at-the-sydney-international-tennis-tournament-in-sydney-thursday-jan-10-2019-ap-photorick-rycroft-2MKR0MY.jpg)
Ash Barty of Australia celebrates her win over Elise Mertens of Belgium during their women's singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 10, 2019. (AP Photo/Rick Rycroft
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