Map phase 1 (initial positions): The map shows in detail one-quarter of the area of the Third Battle of Ypres. Its focus is east of Ypres, where the Australians fought. South-west of Passchendaele are Polygon Wood and Broodseinde, both of which featured in three remarkably successful Australian advances during Third Ypres. These were the battles of Menin Road, Polygon Wood and Broodseinde.