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Angelique Kerber vs. Kiki Bertens | 2018 WTA Finals Singapore Round Robin | WTA Highlights - YouTube
![FILE - In this May 12, 2018, file photo, Czech Republic's Petra Kvitova returns a ball to The Netherlands' Kiki Bertens during a Madrid Open tennis tournament final match in Madrid, Spain. FILE - In this May 12, 2018, file photo, Czech Republic's Petra Kvitova returns a ball to The Netherlands' Kiki Bertens during a Madrid Open tennis tournament final match in Madrid, Spain.](https://c8.alamy.com/comp/2MN3563/file-in-this-may-12-2018-file-photo-czech-republics-petra-kvitova-returns-a-ball-to-the-netherlands-kiki-bertens-during-a-madrid-open-tennis-tournament-final-match-in-madrid-spain-kvitova-is-expected-to-compete-in-the-wimbledon-tennis-tournament-that-begins-monday-july-2-2018-ap-photofrancisco-seco-file-2MN3563.jpg)
FILE - In this May 12, 2018, file photo, Czech Republic's Petra Kvitova returns a ball to The Netherlands' Kiki Bertens during a Madrid Open tennis tournament final match in Madrid, Spain.
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Petra Kvitova Withdraws from French Open; Suffered Ankle Injury at Media Availability | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Bertens laat geen spaan heel van zichzelf: 'Het was verschrikkelijk, qua spel en gedrag' | Tennis | AD.nl
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Petra Kvitova sets up Kiki Bertens final at Madrid Open after beating Karolina Pliskova | Tennis News | Sky Sports
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