The world Both ATP and WTA players back in action this week at Cincinnati Masters . Reigning men 's champ Kirsten Flipkens not competing because of wrist injury . Victoria Azarenka looking for sixth Cincinnati win after finishing runner up four times . Women 's defending champion Novak Djokovic starts title defense on this week .
Both ATP and WTA players back in action this week at Cincinnati Masters . Reigning men 's champ Kirsten Flipkens not competing because of wrist injury . Victoria Azarenka looking for sixth Cincinnati win after finishing runner up four times . Women 's defending champion Novak Djokovic starts title defense on this week .