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Australian Open 2017: Roger Federer downs compatriot Stan Wawrinka in gruelling semi to set up potential final against old foe Rafael Nadal | The Sun
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Australian Open 2017: Roger Federer, Stan Wawrinka notch contrasting wins in first round-Sports News , Firstpost
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Roger Federer outlasts Stan Wawrinka in five sets to reach Australian Open final – Orange County Register
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Australian Open 2017 results: Vintage Roger Federer beats Mischa Zverev, sets up Stan Wawrinka semifinals date - IBTimes India
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