Loading...

Novak Djokovic v Alexander Zverev

Novak Djokovic v Alexander Zverev

World No. 1 Novak Djokovic and 2018 champion Alexander Zverev went head-to-head in a straight shootout to see who would go on to reach the last four at the Nitto ATP Finals - watch the full match replay from the O2 Arena in London.