Complex sentence: Ivanschitz made his debut for Austria in a February 2003 friendly match against Greece, coming ons as a substitute for Markus Weissenberger, and was a participant at the UEFA Euro 2008.
Split into simpler sentences: Ivanschitz made his debut for Austria in a February 2003 friendly match against Greece, coming on as a substitute for Markus Weissenberger. He was also a participant at the UEFA Euro 2008.