Seventh-seeded Simona Halep of Romania retired with a right Achilles injury and fatigue while trailing Alize Cornet of France 6-1, 1-1, in her opening match at the Dubai Championships on Tuesday. The ninth-ranked Halep, who won the Qatar Open on Sunday, complained of an inflamed Achilles during her run to the Doha title. ''I wanted to try because I like to try to fight for my chance, but here I couldn't,'' Halep said. ''After one set I realized that it is dangerous to continue.'' The WTA physiotherapists recommend Halep take 10 days off to heal the injury. More...