Stefanos Tsitsipas pips Dominic Thiem to win 2019 ATP Finals
Tsitsipus, who is 21 years and three months old, is the youngest ATP Finals champion since former world number 1 Lleyton Hewitt (20) in 2001 in Sydney.
Tsitsipus, who is 21 years and three months old, is the youngest ATP Finals champion since former world number 1 Lleyton Hewitt (20) in 2001 in Sydney.
The world number 1 looked deflated in the contest when he went down 5-1 in the deciding set against an opponent who had all the answers in their lengthy baseline rallies.
