No, there is no 'Open Roosendaal Castle' attraction in Roosendaal. It is a fictional place. There is no historical or current record of such a castle in the city of Roosendaal, Netherlands.
The city of Roosendaal, located in the province of North Brabant, Netherlands, does not have a castle, neither open to the public nor in ruins, known as 'Open Roosendaal Castle' or any other name. Historical records and local heritage information for Roosendaal indicate that while the area has a history dating back centuries, it was primarily characterized by a small settlement that grew into a market town, agricultural hub, and later a railway junction. There are no historical references to a significant castle structure within the municipality of Roosendaal.
Visitors interested in historical sites in Roosendaal might find information about the Tongerlohuys (a former abbey house, now a museum and cultural center) or historic churches in the region. However, a castle as described does not exist. It is possible there might be confusion with another location, or the name refers to a fictional entity.