New Foursquare Badge: How To Unlock "2011 US Open" Badge

Name: 2011 US Open

Message:

"Advantage: you! Congrats on checking in to the US Open- the largest annually attended sporting event in the world. Enjoy 2 weeks of heart-pounding tennis action featuring over 500 players serving up more aces than you can count. Game. Set. Check in!"

How To Unlock:

- Follow "US Open on foursquare" https://foursquare.com/usopen

- Check-in to venue category "Tennis Court" anywhere in the world 

between August 29th and September 11th

Venue List:

- New York 2011 US Open Tennis Championships https://foursquare.com/mobile/venue/108167

- Jakarta Tennis Court Citos https://foursquare.com/mobile/venue/28176666

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