US Open day 8: Djokovic tops Kohlschreiber into quarters

Updated: 2014-09-02 08:24

(Agencies)

US Open day 8: Djokovic tops Kohlschreiber into quarters

Ekaterina Makarova of Russia hits a return to Eugenie Bouchard of Canada during their match at the 2014 US Open tennis tournament in New York, September 1, 2014.[Photo/Agencies]