US Open: Japanese teen Naomi Osaka upsets defending champion Kerber

Defending champion Angelique Kerber of Germany was knocked out of the US Open in the first round when she lost 6-3 6-1 to Japanese teenager Naomi Osaka on Tuesday.
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Naomi Osaka on top

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US Open champion Kerber beaten

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'Sometimes I would play here'

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'I was so nervous on the last point'

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'I got a little bit freaked out'

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Nadal beats Dusan Lajovic

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US Open: Nadal beats Dusan Lajovic in straight sets

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Rafa on collosion course against Federer

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Ruthless Rafa