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WATCH: Nazi-era anthem sung accidentally ahead of Fed Cup match, US tennis chiefs apologise - Eurosport
![Tennis Petkovic deeply embarrassed by national anthem cock-up Petkovic deeply embarrassed by national anthem cock-up - AS USA Tennis Petkovic deeply embarrassed by national anthem cock-up Petkovic deeply embarrassed by national anthem cock-up - AS USA](https://img.asmedia.epimg.net/resizer/q7BICX3ZU91VXpA3MMoi5WwdYZY=/1952x1098/cloudfront-eu-central-1.images.arcpublishing.com/diarioas/G3F4W3566BKWDL46BHIQ44W6GQ.jpg)
Tennis Petkovic deeply embarrassed by national anthem cock-up Petkovic deeply embarrassed by national anthem cock-up - AS USA
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Fed Cup: German NAZI national anthem gaffe sung at Andrea Petkovic and Alison Riske match | World | News | Express.co.uk
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US Tennis says sorry for using Nazi-era anthem before Germany Fed Cup match | Fed Cup | The Guardian
USTA apologizes for Nazi-era version of German anthem sung before Fed Cup match - The Washington Post
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