In the 2006-07 campaign, in the return leg of the Champions League second qualifying round, Zickler scored through a penalty to give the Red Bulls a 2-0 victory over FC Zürich and advance them into the next stage, where they lost to Valencia [REF].
On 25 September 2010, Zickler scored his first and only goal for LASK, in a 3-3 draw at SV Mattersburg [REF].