Mezue ahịrịokwu na-esonụ: Roleder bụbu onye na-eme egwuregwu mmega ahụ, Roleder bidoro egwuregwu mgbe ọ dị afọ 8 mgbe onye nkuzi egwuregwu Mr Grosser hụrụ ọsọ ọsọ ya wee gwa ya ka ọ sonyere ya na-agba ọsọ, ebe Roleder na-asọmpi megide ụmụaka 1<unk>2 afọ karịa onwe ya. O mere egwuregwu mba ụwa mbụ ya na 2007 European Junior Championship ebe ọ gbara nke anọ. N'afọ 2011, o nwetara ihe nrite mbụ ya n'asọmpi mba ụwa.
European Under 23 Championships na Ostrava.