1st round action in Monte-Carlo concluded with wins for Ernests Gulbis, Nicolas Almagro and Stanislas Wawrinka.  In the second round matches that took place on Tuesday, Janko Tipsarevic went down to Grigor Dimitrov, 7-6(3) 6-1 having blown set points at 5-4 in the opening set.  Juan Martin del Potro escaped the same fate as he…