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Roger Federer of Switzerland wipes off sweat as he competes against Borna Coric of Croatia in their men's singles semi-final match during the Rolex Sh Stock Photo - Alamy
![Martina Hingis (L) of Switzerland and Sania Mirza of India show off their trophy after defeating Casey Dellacqua of Australia and Yaroslava Shvedova of Kazakhstan in the woman's double final match at Martina Hingis (L) of Switzerland and Sania Mirza of India show off their trophy after defeating Casey Dellacqua of Australia and Yaroslava Shvedova of Kazakhstan in the woman's double final match at](https://c8.alamy.com/comp/TYR0XP/martina-hingis-l-of-switzerland-and-sania-mirza-of-india-show-off-their-trophy-after-defeating-casey-dellacqua-of-australia-and-yaroslava-shvedova-of-kazakhstan-in-the-womans-double-final-match-at-arthur-ashe-stadium-during-the-us-open-tennis-championships-at-the-usta-billie-jean-king-national-tennis-center-in-new-york-city-on-september-13-2015-hingis-and-mirza-won-6-3-6-3-photo-by-monika-graffupi-TYR0XP.jpg)
Martina Hingis (L) of Switzerland and Sania Mirza of India show off their trophy after defeating Casey Dellacqua of Australia and Yaroslava Shvedova of Kazakhstan in the woman's double final match at
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World No.1 Roger Federer of Switzerland competes against Rafael Nadal of Spain during a semi-final match of the Tennis Masters Cup Shanghai 2007 in Sh Stock Photo - Alamy
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