![(SP)US-NEW YORK-TENNIS-US OPEN-SECOND ROUND](136573461_15042431909761n.jpg)
Roger Federer of Sweitzerland celebrates after the men's singles second round match against Mikhail Youzhny of Russia at the 2017 US Open in New York, the United States, Aug. 31, 2017. Federer won 3-2. (Xinhua/Wang Ying)
Roger Federer of Sweitzerland celebrates after the men's singles second round match against Mikhail Youzhny of Russia at the 2017 US Open in New York, the United States, Aug. 31, 2017. Federer won 3-2. (Xinhua/Wang Ying)