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Angelique Kerber of Germany poses with her winning trophy after defeating Karolina Pliskova of Czech Republic in their 2016 US Open Womens Singles final match at the USTA Billie Jean King National Tennis Center in New York on September 10, 2016.
New world number one Angelique Kerber won the US Open title on Saturday with a battling 6-3, 4-6, 6-4 victory over Karolina Pliskova of the Czech Republic. / AFP / Timothy A. CLARY        (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Angelique Kerber of Germany poses with her winning trophy after defeating Karolina Pliskova of Czech Republic in their 2016 US Open Womens Singles final match at the USTA Billie Jean King National Tennis Center in New York on September 10, 2016.
New world number one Angelique Kerber won the US Open title on Saturday with a battling 6-3, 4-6, 6-4 victory over Karolina Pliskova of the Czech Republic. / AFP / Timothy A. CLARY        (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

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    Angelique Kerber wins US Open title

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Angelique Kerber wins US Open title

Angelique Kerber wins the 2016 US Open title and moves up to first in the world rankings, as CNN's Patrick Snell reports.

Angelique Kerber wins US Open title

Angelique Kerber wins the 2016 US Open title and moves up to first in the world rankings, as CNN's Patrick Snell reports.