The World number one Novak Djokovic will try and win a record fourth consecutive ATP end of year title this afternoon in London. Standing in his way is Roger Federer who is full of confidence after reaching the final without losing a match and beating Novak in the group stages.
Novak beat Rafael Nadal in the first semi-final 6-3 6-3, making it 8 victories against Nadal out of the last 9 encounters. While Federer beat fellow countryman Stan Wawrinka in straight sets 7-5 6-3.
So its the best in the World against the best of all time!