© ATP Tour
Russian and Greek join Djokovic in the field
Daniil Medvedev, who won his first major title on Sunday at the US Open, and Stefanos Tsitsipas are the second and third singles players to qualify for the 2021 Nitto ATP Finals, to be held at the Pala Alpitour in Turin from 14-21 November.
Both men will compete in the season finale for the third consecutive year. Medvedev is the defending champion at the season finale, and Tsitsipas lifted the trophy in 2019.