![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)
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,
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Stefanos Tsitsipas stuns defending champion Roger Federer at Australian Open to reach quarter-finals
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Roger Federer crashes out of Australian Open with loss to Greek sensation Stefanos Tsitsipas | The Sun
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