2019 ATP Finals – Singles

Stefanos Tsitsipas defeated Dominic Thiem in the final, 6–7(6–8), 6–2, 7–6(7–4) to win the singles tennis title at the 2019 ATP Finals. Tsitsipas was making his tournament debut.

Source: Wikipedia — 2019 ATP Finals – Singles (CC BY-SA 4.0)