ATP Cup: Novak Djokovic helped Serbia reach the semi-finals

Serbia completed a clean sweep of Canada to set up an ATP Cup semi-final clash with Russia. Novak Djokovic sealed the deal after battling back from a set down to win 4-6 6-1 7-6 (7-4) over Denis Shapovalov. Shapovalov edged ahead in the first set as the world No 2 double-faulted at deuce at 4-4 and the Canadian took...