U.S. Open women's singles champions since 2009

NEW YORK, Sept. 8 (Xinhua) -- Following are the U.S. Open women's singles champions after Saturday's final between Naomi Osaka from Japan and American Serena Williams:

2018: Naomi Osaka (JPN)

2017: Sloane Stephens (USA)

2016: Angelique Kerber (GER)

2015: Flavia Pennetta (ITA)

2014: Serena Williams (USA)

2013: Serena Williams (USA)

2012: Serena Williams (USA)

2011: Samantha Stosur (AUS)

2010: Kim Clijsters (BEL)

2009: Kim Clijsters (BEL)

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