We gonna play with IBWF rules. You can find them right here: https://iwbf.org/wp-content/uploads/2019/04/3×3-IWBF-Rules_2019_approved.pdf
At Court 5(Wullenweber Str. 15) we get a bad message: There are no showers and locker rooms available on saturday and sunday. At this court people get the chance to buy some snacks at the kiosk.