Novak Djokovic of Serbia serves to Philipp Kohlschreiber of Germany during their match at the 2014 US Open tennis tournament in New York, September 1, 2014. [Photo/Agencies]
Peng advances to US Open semifinals
Hernandez joins Madrid, Valencia gets Negredo
Azarenka tops qualifier Krunic to reach US Open quarters
Murray beats Tsonga in 3 long sets at US Open
US Open
Nanjing Youth Olympics
China Open
Chinese leaders' passion for sports