Complex sentence: Pavlásek made semifinals at 2012 Australian Open and 2012 French Open and quarterfinal at 2011 US Open in singles and finals at 2012 Australian Open and 2012 French Open in doubles.
Split into simpler sentences: Pavlásek made semifinals at 2012 Australian Open and 2012 French Open and quarterfinal at 2011 US Open in singles. He also made two grandslam finals at 2012 Australian Open and 2012 French Open in doubles.