Two of the world’s top tennis players battle it out in the climax of the World Tour Finals at the O2 in London. Live coverage is presented by Sue Barker.

Last year Alexander Zverev sprang a surprise in beating Novak Djokovic in straight sets in the final – the German claiming his second high-profile scalp in as many days, having beaten Roger Federer in the semi-finals a day earlier.

The big three of Federer, Djokovic and Rafael Nadal are back in London 12 months on – but who will claim victory in the ATP season finale?

Analysis and commentary is provided by Tim Henman, Andrew Castle and Boris Becker. Show less