2016 U.S. Open Tennis Tournament. New York. USA. [Getty Images]

2016 U.S. Open - Day 6 Stan Wawrinka of Switzerland in action against Daniel Evans of Great Britain in the Men's Singles round three match on Louis Armstrong Stadium on day six of the 2016 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on September 3, 2016 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)"n

Corbis Sport Tim Clayton - Corbis