LONDON — Novak Djokovic is still the favourite to claim a fourth consecutive ATP World Tour Finals title according to Roger Federer, despite him ending the Serb's 23-match winning streak at the O2 Arena on Tuesday.
Serbian world number one Djokovic had won his last 15 matches at the venue, his last 38 under a roof and has been untouchable since losing to Federer in Cincinnati in August.
But with his timing well off, he was brushed aside 7-5 6-2 by the 17-times grand slam champion who is already through to the semi-finals, probably as winner of the Stan Smith Group, with another round-robin match still to come.