Greek tennis player Stefanos Tsitsipas has won the ATP Finals on Sunday beating Austria's Dominic Thiem 6-7, 6-2, 7-6. This was the debut of Tsitsipas in ATP Finals. The match, which was held at the O2 Arena in London,
lasted for 2 hours and 36 minutes.
Tsitsipas had qualified for the finals after defeating six-time champion Roger Federer in the semi-finals on Saturday.