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Martina Hingis of Switzerland returns a shot to Denmark's Caroline Wozniacki during their first round match at the Hansol Korea Open Tennis Championships in Seoul September 27, 2006. REUTERS/Lee Jae-Won (SOUTH KOREA
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Caroline Wozniacki (R) of Denmark shakes hands with Belinda Bencic of Switzerland after her defeat in their Pan Pacific Open women's singles semi-finals tennis match in Tokyo, Japan, September 26, 2015. REUTERS/Yuya
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BNP Paribas WTA Finals Singapore 2017 presented by SC Global - Caroline Wozniacki of Switzerland vs Caroline Garcia of France | Power Sport Images
![Caroline Wozniacki of Denmark serves to Patty Schnyder of Switzerland during their Fed Cup Euro-Africa Zone tennis match in Budapest January 31, 2008. REUTERS/Laszlo Balogh (HUNGARY Stock Photo - Alamy Caroline Wozniacki of Denmark serves to Patty Schnyder of Switzerland during their Fed Cup Euro-Africa Zone tennis match in Budapest January 31, 2008. REUTERS/Laszlo Balogh (HUNGARY Stock Photo - Alamy](https://c8.alamy.com/comp/2D2AM99/caroline-wozniacki-of-denmark-serves-to-patty-schnyder-of-switzerland-during-their-fed-cup-euro-africa-zone-tennis-match-in-budapest-january-31-2008-reuterslaszlo-balogh-hungary-2D2AM99.jpg)
Caroline Wozniacki of Denmark serves to Patty Schnyder of Switzerland during their Fed Cup Euro-Africa Zone tennis match in Budapest January 31, 2008. REUTERS/Laszlo Balogh (HUNGARY Stock Photo - Alamy
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October 1, 2018 - Caroline Wozniacki of Denmark & Belinda Bencic of Switzerland shake hands after her first-round match at the 2018 China Open WTA Premier Mandatory tennis tournament Credit: AFP7/ZUMA Wire/Alamy
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