The 8 ATP World Tour finalists standing in order of ranking for the event, 1. Novak Djokovic, 2. Andy Murray, 3. Roger Federer, 4. Stan Wawrinka, 5. Rafael Nadal, 6. Tomas Berdych, 7. David Ferrer and 8. Kei Nishikori pose for a group photograph at City Hall with Tower Bridge and the London skyline as a backdrop on November 13, 2015 in London, England.