Complex sentence: Szczęsny had a strong performance against Germany on 6 September 2011, makig eight critical saves in a 2--2 draw; this earned him praise from former German international goalkeeper Oliver Kahn.
Split into simpler sentences: Szczęsny had a strong performance against the Germany national team on 6 September 2011. His performance in this match earned him praise from former German international goalkeeper, Oliver Kahn.