2013 ATP World Tour Finals – Singles
| Singles | |
|---|---|
| 2013 ATP World Tour Finals | |
| Champion | Novak Djokovic |
| Runner-up | Rafael Nadal |
| Score | 6–3, 6–4 |
Defending champion Novak Djokovic defeated Rafael Nadal in the final, 6–3, 6–4 to win the singles tennis title at the 2013 ATP World Tour Finals. It was his third Tour Finals title.
Nadal was attempting to complete the career Super Slam. This remains his last final at the event.
Stanislas Wawrinka made his debut at the event.