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NEW YORK, NY - SEPTEMBER 09:  Flavia Pennetta of Italy celebrates after defeating Petra Kvitova of Czech Republic during their Women's Singles Quarterfinals match on Day Ten of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2015 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Clive Brunskill/Getty Images)
NEW YORK, NY - SEPTEMBER 09:  Flavia Pennetta of Italy celebrates after defeating Petra Kvitova of Czech Republic during their Women's Singles Quarterfinals match on Day Ten of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2015 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Clive Brunskill/Getty Images)

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Pennetta beats Vinci to win U.S. Open's women's title

Flavia Pennetta beat fellow Italian Roberta Vinci in the title match at the U.S. Open, becoming the oldest first-time grand slam champion in the Open Era.

Pennetta beats Vinci to win U.S. Open's women's title

Flavia Pennetta beat fellow Italian Roberta Vinci in the title match at the U.S. Open, becoming the oldest first-time grand slam champion in the Open Era.