Novak Djokovic keeps Serbia alive in Davis Cup semi-final with crucial victory v Cilic 0 3 03 Dec 2021 19:20 Express.co.uk (tennis) SERBIA will face Croatia in a decisive doubles rubber for a spot in the Davis Cup final after Novak Djokovic levelled their semi-final tie at 1-1 with a 6-4 6-2 win over Marin Cilic.