'Not stressed even for a moment'- Tsitsipas on his game with Federer

Stefanos Tsitsipas of Greece during his match against Roger Federer of Switzerland Source: AAP Image/Pierre Lahalle/Presse Sports via USA TODAY Sports/Sipa USA

Stefanos Tsitsipas hopes to continue making history after stunning Roger Federer to advance to the quarter-finals of the Australian Open.

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The article is only in Greek

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