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Australian Open 2017: Roger Federer was playing good, aggressive tennis again, says Kei Nishikori-Sports News , Firstpost
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Roger Federer beats Kei Nishikori in five-set epic to reach Australian Open quarter-finals - Irish Mirror Online
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🏅 Roger Federer vs Kei Nishikori – Australian Open 2017 R4 – Highlights HD – ITA Language 🏅 - YouTube
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Australian Open 2017: Roger Federer overcomes Kei Nishikori in thrilling 5-setter to reach quarters-Sports News , Firstpost
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Roger Federer vs Kei Nishikori, Australian Open: Swiss stuns fifth seed to reach 49th career quarter-final
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Roger Federer beats Kei Nishikori in epic five-set Australian Open match | Roger Federer | The Guardian
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Australian Open 2017: Roger Federer produces masterful display to knock out Tomas Berdych and set up Kei Nishikori tie | Metro News
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