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Very beneficial for his career" Federer identifies Tsitsipas strength
Federer knocked out of Australian Open by Greece's Tsitsipas | Daily Sabah
Stefanos Tsitsipas stuns Roger Federer in four-set Australian Open thriller | Australian Open 2019 | The Guardian
Stefanos Tsitsipas reminds my a young Roger Federer. BAGHDATIS - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
Stefanos Tsitsipas admits fault over Roger Federer spat, but frustrations still remain - Tennis365
We have to surpass them,' Stefanos Tsitsipas won't surrender in pursuit of Federer, Nadal and Djokovic | Tennis News - Hindustan Times
I lost to a better player: Roger Federer after shock defeat to Stefanos Tsitsipas in Australian Open - India Today
Stefanos Tsitsipas honors Roger Federer: 'He won Majors even before iPhone'
Roger Federer knocked out by Greek wunderkind Stefanos Tsitsipas | The Japan Times
Roger Federer beats Stefanos Tsitsipas to send Switzerland into Hopman Cup final | Sports News,The Indian Express
Stefanos Tsitsipas on Twitter: "It finally happened! Thank you @rogerfederer for the opportunity, it was great hitting with you and meeting you in person. Best of luck! https://t.co/9ih7ZVJtnN" / Twitter
Federer expects 'athletic' and 'attacking' Tsitsipas clash
ATP Finals Preview: Roger Federer vs. Stefanos Tsitsipas in semifinals