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Stefanos Tsitsipas stuns Roger Federer in four-set Australian Open thriller | Australian Open 2019 | The Guardian
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Roger Federer crashes out of Australian Open with loss to Greek sensation Stefanos Tsitsipas | The Sun
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Australian Open 2019: 20-year old Stefanos Tsitsipas stuns defending champion Roger Federer | Sports News,The Indian Express
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Australian Open: Roger Federer knocked out by Greek wunderkind Tsitsipas | Tennis News - Times of India
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He has a chance' - Mats Wilander names the youngster he expects to reach Roger Federer level - Tennishead
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Australian Open 2019: Stefanos Tsitsipas builds on Youtube lessons to beat Roger Federer - BBC Sport
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Stefanos Tsitsipas stuns defending champion Roger Federer at Australian Open to reach quarter-finals
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