Patrick Mouratoglou: "Tsitsipas is a fighter"

Patrick Mouratoglou speaks about Tsitsipas' win over Roger Federer and describes the young Greek as a 'fighter' who has never disappointed him.

Patrick Mouratoglou and Stefanos Tsitsipas of Greece celebrates match point against Roger Federer of Switzerland on day seven of the 2019 Australian Open tennis Source: AAP Image/Pierre Lahalle/Presse Sports via USA TODAY Sports/Sipa USA

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