Russian Anna Chakvetadze collapsed on court and had to retire from her match with top-seeded Caroline Wozniacki at the Dubai Championships on Wednesday. The 23-year-old was serving for the second set at 5-3 when she fainted during the third point. She was given extensive medical treatment 7-minute delay and returned for one more point before forfeiting the match and tearfully hugging Wozniacki. More...