![Petra Kvitova of Czech Republic hits a backhand to Venus Williams in the quarter-finals at the 2017 US Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New Petra Kvitova of Czech Republic hits a backhand to Venus Williams in the quarter-finals at the 2017 US Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New](https://c8.alamy.com/comp/TYT27F/petra-kvitova-of-czech-republic-hits-a-backhand-to-venus-williams-in-the-quarter-finals-at-the-2017-us-open-tennis-championships-at-the-usta-billie-jean-king-national-tennis-center-in-new-york-city-on-september-5-2017-williams-defeats-kvitova-6-3-6-3-7-6-to-advance-to-the-semi-finals-photo-by-john-angelilloupi-TYT27F.jpg)
Petra Kvitova of Czech Republic hits a backhand to Venus Williams in the quarter-finals at the 2017 US Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New
![Ivan Ljubicic (CRO) hits a backhand to Novak Djokovic (SRB) in their first round match at the US Open Tennis Championships at the Billie Jean King National Tennis Center in New York Ivan Ljubicic (CRO) hits a backhand to Novak Djokovic (SRB) in their first round match at the US Open Tennis Championships at the Billie Jean King National Tennis Center in New York](https://c8.alamy.com/comp/TYKB8P/ivan-ljubicic-cro-hits-a-backhand-to-novak-djokovic-srb-in-their-first-round-match-at-the-us-open-tennis-championships-at-the-billie-jean-king-national-tennis-center-in-new-york-on-september-1-2009-upijohn-angelillo-TYKB8P.jpg)
Ivan Ljubicic (CRO) hits a backhand to Novak Djokovic (SRB) in their first round match at the US Open Tennis Championships at the Billie Jean King National Tennis Center in New York
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File:2017 US Open Tennis - Qualifying Rounds - Evan King (USA) def. Renzo Olivo (ARG) (13) (37078168195).jpg - Wikimedia Commons
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