Open Street Amsterdam is one of Europe's largest Street-Fishing tournaments.

OSA attracts participants from all over Europe.
This competition is fished as the name says in the capital of Street-Fishing Europe,  Amsterdam.
The beautiful fish-rich narrow canals with its numerous bridges are the battlefield of OSA including the IJ .
The target fish are Zander, Pike and Perch.  OSA is a CPR (Catch, Photo & Release contest)

You do not have to qualify to participate in Open Street Amsterdam.
Just be on time when the registration opens.