NEW YORK, USA - SEPTEMBER 10: Karolina Pliskova (C) of the Czech Republic is in action against Angelique Kerber (not seen) of Germany during the Women's Singles Final Match on Day Thirteen of the 2016 US Open at the USTA Billie Jean King National Tennis Center in New York City, NY, United States on September 10, 2016. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images)