Wawrinka faces Lleyton Hewitt in the first round.In the women's final, Halep was a break up at 5-4 when rain forced a 75-minute break, but she came back strong, holding serve to take the set.She then twice broke Flipkens' serve to race to 3-0 before the Belgian broke back.But Flipkens had no answer to the powerful groundstrokes from Halep, who easily won her first grass-court title.Halep clinched