Stanislas Wawrinka vs. Tomas Berdych Their 4 set collision in Melbourne was a key aspect of Wawrinka’s breakthrough even if Stan’s championship win over Nadal and quarterfinal win over Nole got more attention.  Berdych has been more consistent than Wawrinka in 2014, but Wawrinka’s Australian Open and Monte Carlo titles along with his quarterfinal finishes…