2015 ATP World Tour Finals – Singles

Singles
2015 ATP World Tour Finals
Champion Novak Djokovic
Runner-up Roger Federer
Score6–3, 6–4

Three-time defending champion Novak Djokovic defeated Roger Federer in the final, 6–3, 6–4 to win the singles tennis title at the 2015 ATP Finals. It was his fifth Tour Finals title. With the win, Djokovic became the first player to win the event four consecutive times.