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"&lt;p&gt;&lt;/p&gt;&lt;p&gt;Two of the top left handed players face off in the Round of 16 at the U.S. Open on Sunday, as World No. 2 Angelique Kerber takes on two-time Wimbledon champion Petra Kvitova. They have split their previous eight meetings with Kerber taking the last two. So who has the edge?\r\n\r\n&lt;/p&gt;&lt;p&gt;\r\n\r\n&lt;/p&gt;&lt;p&gt;Kvitova has been the more aggressive of the two and tends to play a higher risk game. Kerber tends to play more conservatively and looks to pick her spots to attack. The one big area of concern for Kvitova has been her serving when under pressure. Kerber has saved eight of the 12 break points she\u2019s faced while Kvitova has been broken more than half the time her opponents have gotten a break point chance (nine breaks in 17 chances). In a matchup of such evenly matched players, it\u2019s often the performance on a few big points that makes the difference.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;i&gt;Check&amp;nbsp;&lt;/i&gt;&lt;i&gt;SI.com's 2016 U.S. Open data hub page&lt;/i&gt;&lt;i&gt;&amp;nbsp;throughout the whole tournament for the latest data-driven&amp;nbsp;infographics&amp;nbsp;and charts from IBM, the official technology partner for the U.S. Open. IBM captures and analyzes the data that powers all of the Grand Slams, as well as the digital platforms that extend the experience to fans around the world.&lt;/i&gt;\r\n&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/tennis/2016/09/04/daily-data-viz-angelique-kerber-petra-kvitova-us-open-stats>