 The new stadium was officially opened in August 1920 with a match between Oberschöneweide and the then German champions 1.FC Nürnberg (1–2).The inaugural match at the Alte Försterei had already been played on 17 March, when Union challenged Viktoria 89 Berlin – an illustrious club who had won the German Championship three times around the turn of the century – to a friendly.