Roger Federer, US Open 2015. 費德勒

Roger Federer winds up that beautiful backhand once again. Photograph: Imago/Barcroft Media
US Open 2015: Roger Federer beats Stan Wawrinka to reach the final – as it happened | Sport | The Guardian
http://www.theguardian.com/sport/live/2015/sep/12/us-open-2015-roger-federer-stan-wawrinka-us-open-mens-semi-final

Roger Federer, of Switzerland, returns a shot to Stan Wawrinka, of Switzerland, during a semifinal match at the U.S. Open tennis tournament, Friday, Sept. 11, 2015, in New York. (AP Photo/Bill Kostroun)
The Latest on US Open: Federer beats Wawrinka in semifinal | www.wsbtv.com
http://www.wsbtv.com/ap/ap/sports/the-latest-on-us-open-pennetta-33-reaches-1st-majo/nnctT/