![Naomi Osaka of Japan returns a shot to Sloane Stephens of the United States during their women's singles match at the WTA tennis tournament in Singapore on Monday, Oct. 22, 2018. (AP Naomi Osaka of Japan returns a shot to Sloane Stephens of the United States during their women's singles match at the WTA tennis tournament in Singapore on Monday, Oct. 22, 2018. (AP](https://c8.alamy.com/comp/2MMAACJ/naomi-osaka-of-japan-returns-a-shot-to-sloane-stephens-of-the-united-states-during-their-womens-singles-match-at-the-wta-tennis-tournament-in-singapore-on-monday-oct-22-2018-ap-photovincent-thian-2MMAACJ.jpg)
Naomi Osaka of Japan returns a shot to Sloane Stephens of the United States during their women's singles match at the WTA tennis tournament in Singapore on Monday, Oct. 22, 2018. (AP
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WTA Finals 2018 | Elina Svitolina calls it her toughest mental battle, reaches semi-finals in Singapore | Britwatch Sports
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WTA Finals Singapore 2018, Day 7: Sloane Stephens vs. Elina Svitolina for the title | Moo's Tennis Blog
![Ukraine's Elina Svitolina plays a return shot while competing against Karolina Pliskova of the Czech Republic during their women's singles match at the WTA tennis finals in Singapore, Tuesday, Oct. 23, 2018. ( Ukraine's Elina Svitolina plays a return shot while competing against Karolina Pliskova of the Czech Republic during their women's singles match at the WTA tennis finals in Singapore, Tuesday, Oct. 23, 2018. (](https://c8.alamy.com/comp/2MMA435/ukraines-elina-svitolina-plays-a-return-shot-while-competing-against-karolina-pliskova-of-the-czech-republic-during-their-womens-singles-match-at-the-wta-tennis-finals-in-singapore-tuesday-oct-23-2018-ap-photovincent-thian-2MMA435.jpg)
Ukraine's Elina Svitolina plays a return shot while competing against Karolina Pliskova of the Czech Republic during their women's singles match at the WTA tennis finals in Singapore, Tuesday, Oct. 23, 2018. (
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