Between time spent on graduate school and the time difference between Kentucky and Singapore, I have not said much about this event.  I am interested in the results even if Serena shut her season down. . edges Sharapova 6-3, 7-6(3)! Sets #WTAFinals final showdown vs @ARadwanska! pic.twitter.com/Fy0uoqkgIa — WTA (@WTA) October 31, 2015 //platform.twitter.com/widgets.js Agnieszka…