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Stefanos Tsitsipas stuns Roger Federer in four-set Australian Open thriller | Australian Open 2019 | The Guardian
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ATP Basel live: Roger Federer vs. Stefanos Tsitsipas on TV, livestream and live ticker · tennisnet.com
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Australian Open 2019: Stefanos Tsitsipas apologises for 'really bad' expletive-laden rant at umpire | The Independent | The Independent
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Roger Federer warned of major Rafael Nadal threat by Stefanos Tsitsipas | Tennis | Sport | Express.co.uk
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Stefanos Tsitsipas stuns defending champion Roger Federer at Australian Open to reach quarter-finals
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Roger Federer: Stefanos Tsitsipas hails 'INSANE' Swiss star after 100th title win in Dubai | Tennis | Sport | Express.co.uk
![Stefanos Tsitsipas on X: "Second hit with @rogerfederer in #Melbourne 🇦🇺! Photo credits: @tennisnews_gr https://t.co/cLUxOEr52v" / X Stefanos Tsitsipas on X: "Second hit with @rogerfederer in #Melbourne 🇦🇺! Photo credits: @tennisnews_gr https://t.co/cLUxOEr52v" / X](https://pbs.twimg.com/media/DT4ur__U0AAKwyx.jpg)
Stefanos Tsitsipas on X: "Second hit with @rogerfederer in #Melbourne 🇦🇺! Photo credits: @tennisnews_gr https://t.co/cLUxOEr52v" / X
![Melbourne, Australia. 20th Jan, 2019. Roger Federer of Switzerland (L) walks past Stefanos Tsitsipas of Greece after the men's singles 4th round match at the Australian Open in Melbourne, Australia, Jan. 20, Melbourne, Australia. 20th Jan, 2019. Roger Federer of Switzerland (L) walks past Stefanos Tsitsipas of Greece after the men's singles 4th round match at the Australian Open in Melbourne, Australia, Jan. 20,](https://c8.alamy.com/comp/RE6G24/melbourne-australia-20th-jan-2019-roger-federer-of-switzerland-l-walks-past-stefanos-tsitsipas-of-greece-after-the-mens-singles-4th-round-match-at-the-australian-open-in-melbourne-australia-jan-20-2019-credit-lui-siu-waixinhuaalamy-live-news-RE6G24.jpg)