2019 ATP Finals – Singles


was the defending champion, but lost to Dominic Thiem in the semifinals.
Stefanos Tsitsipas won the title, defeating Thiem in the final, 6–7, 6–2, 7–6. For only the fourth time ever and the first time since 2005, the ATP Finals champion was determined in a final set tiebreak. Tsitsipas was also making his debut at the event, alongside Daniil Medvedev and Matteo Berrettini.

Rafael Nadal secured the year-end ATP no. 1 singles ranking for the fifth time after Novak Djokovic was eliminated during the round robin stage.

Seeds

Alternates

Draw

Finals

Group [Andre Agassi]

Group [Björn Borg]

Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head results; 4) In three-players-ties, percentage of sets won, then head-to-head result ATP rankings