Novak Djokovic was the two-time defending champion and he successfully defended his title, after Roger Federer withdrew from the final, the first walkover in a final in the tournament’s 45-year history.
Group B
Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-player ties, head-to-head records; 4) In three-player ties, percentage of sets won, or of games won, then head-to-head records; 5) ATP rankings
References
2014 ATP World Tour Finals – Singles Wikipedia(Text) CC BY-SA