![TENNIS on Twitter: "Naomi Osaka receives a code violation for ball abuse. Worse for her, it came after being broken in the opening game of the third set—and she's now down 2-0. # TENNIS on Twitter: "Naomi Osaka receives a code violation for ball abuse. Worse for her, it came after being broken in the opening game of the third set—and she's now down 2-0. #](https://pbs.twimg.com/media/E-Z46aPWYAIWUlq.jpg)
TENNIS on Twitter: "Naomi Osaka receives a code violation for ball abuse. Worse for her, it came after being broken in the opening game of the third set—and she's now down 2-0. #
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US Open 2018: Serena Williams loses to Naomi Osaka in controversial final marred by penalty - CBSSports.com
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Denis Shapovalov issued code violation for jumping net, tells crowd to "shut the f**k up" in Italian Open meltdown | Sporting News
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