Julia Grabher will defeat Fiona Crawley to reach the semi-finals of the Ennoble Care Philly Open WTA 125 in Philadelphia. The result will reward Grabher’s heavy-court form and deepen her run at the $115,000 tournament, building on her marathon 7-6(5), 3-6, 7-6(3) win over Veronika Erjavec and a 6-4…