1. Roberta Vinci v Annika Beck Roberta Vinci For the second time this week, Roberta Vinci made mincemeat of my predictions as she produced an excellent display to crush Karolina Pliskova in the quarter-finals, 6-1 6-0.  Vinci faces another up-and-comer in the semi-finals, Annika Beck.  Beck produced a very impressive fightback from 1-5 down in…