2 more going here - Block I, could get a wee sing song going at this rate!
Dusiburg-Schlenk is the station nearest the stadium I believe, looks a short walk
https://www.google.co.uk/maps/dir/Duisburg-Schlenk,+Duisburg,+Germany/Schauinsland-Reisen-Arena,+Margaretenstra%C3%9Fe+5-7,+47055+Duisburg,+Germany/@51.4050545,6.7716105,16z/data=!3m1!4b1!4m14!4m13!1m5!1m1!1s0x47b8b8b482c576c1:0x9f3194bab98051e!2m2!1d6.773097!2d51.401653!1m5!1m1!1s0x47b8bf4c2a024125:0xdbde450e5f2aa267!2m2!1d6.778707!2d51.408986!3e2