2015 ATP World Tour Finals – Singles
| Singles | |
|---|---|
| 2015 ATP World Tour Finals | |
| Champion |
 Novak Djokovic
|
| Runner-up |
 Roger Federer
|
| Final score | 6–3, 6–4 |
Novak Djokovic was the three-time defending champion and he successfully defended his title, defeating Roger Federer in the final 6–3, 6–4. By claiming the title, Djokovic became the first player to win the event four times in a row.
Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, then percentage of games won, then head-to-head records; 5) ATP rankings
Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, then percentage of games won, then head-to-head records; 5) ATP rankings
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