Complex sentence: She also won the 2011 WTA Tour Championships, and helped lead the Czech Republic to victory in the Fed Cup final that same year, it was Czech Republics's first Fed Cup title as independent nation.
Split into simpler sentences: She also won the 2011 WTA Tour Championships, and helped lead the Czech Republic to victory in the Fed Cup final that same year. It was the Czech Republics's first Fed Cup title as an independent nation.