WASHINGTON, Aug. 17 (Xinhua) -- No. 1 seed Serena Williams edged Chinese Li Na 7-5, 7-5 to book a final spot at the Western & Southern Open on Saturday.
"Whenever I'm down I just get really relaxed," Williams said. "I was just thinking, 'You know Serena, just try to do your best, and just try to do what you can.'"
Williams will meet Victoria Azarenka in the final.