Sensational Stefanos comes back from a set down to win the Nitto ATP Finals

Stefanos Tsitsipas on Sunday won the fourth title of his career and the biggest he has won so far. He’s the first-ever Greek champion in the history of the season-ending championships. The 2018 Next Gen champion defeated Dominic Thiem in a thriller 6-7(6), 6-2, 7-6(4) over two hours and 35 minutes in the Nitto ATP Finals at the O2 in London.

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