Flatfight, the official championship of the Czech Republic, is going to take place this upcoming saturday in the cult area near the national theatre in Prague called New Stage. There will be 2 categories: Expert and Pro class. There is a tribune for viewers next to the battle area.

Registration from 15:00 to 16:00 in same place.
Contest start: 17:00 on the same day (August 11)

You can see the place in real time on this webcam:

http://www.novascena.cz/cs/aktuality/679.html

Make sure you tune in ;-)