Serena Williams of the U.S. celebrates after defeating Kiki Bertens of the Netherlands during their second round match at the U.S. Open Championship tennis tournament in New York, September 2, 2015. REUTERS/Lucas Jackson
NEW YORK (Reuters) - The Serena Williams show continued at the U.S. Open as the world number one moved a step closer to a calendar Grand Slam on Wednesday, while Mardy Fish took a final Flushing Meadows bow as the curtain came down on the American's career.
Defending men's champion Marin Cilic and two-time winner Rafa Nadal and world number one Novak Djokovic also eased into the third round with straight sets wins as the temperatures and stakes continue to rise at the year's final grand slam.
