TURIN (Reuters) -Novak Djokovic's winning streak was halted at 19 matches as home favourite Jannik Sinner was roared to a superb 7-5 6-7(5) 7-6(2) victory by a partisan ATP Finals crowd in Turin on Tuesday.
The earlier Green Group clash was a non-event as Stefanos Tsitsipas retired injured against Holger Rune, but the evening ticket holders were treated to a match of jaw-dropping quality.
