2014 U.S. Open - Previews [Getty Images]

NEW YORK, NY - AUGUST 22: (L-R) Sabine Lisicki of Germany celebrates with her Guinness World Record award for 'fastest serve' alongside Kimberly Patrick Guinness World Records judge prior to the start of the 2014 U.S. Open at the USTA Billie Jean King National Tennis Center on August 22, 2014 in the Flushing neighborhood of the Queens in New York City. (Photo by Mike Stobe/Getty Images for USTA)

Getty Images Sport Mike Stobe