2013 ATP World Tour Finals – Singles

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 most recent final at the event.

Stanislas Wawrinka made his debut at the event.

Seeds
• # 🇪🇸 Rafael Nadal (final)

• # 🇷🇸 Novak Djokovic (champion)

• # 🇪🇸 David Ferrer (round robin)

• # 🇦🇷 Juan Martín del Potro (round robin)

• # 🇨🇿 Tomáš Berdych (round robin)

• # Roger Federer (semifinals)

• # Stanislas Wawrinka (semifinals)

• # 🇫🇷 Richard Gasquet (round robin)

Alternates
• # 🇫🇷 Jo-Wilfried Tsonga (Did not play)

• # 🇨🇦 Milos Raonic (Did not play)

Group A
''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, or of games won initially to sort out a superior/inferior player, then head-to-head records; 5. ATP rankings''

Group B
''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, or of games won initially to sort out a superior/inferior player, then head-to-head records; 5. ATP rankings''