MADRID, SPAIN - MAY 06: Madison Keys of USA in action in her match against Misaki Doi of Japan during day one of the Mutua Madrid Open tennis at La Caja Magica on May 6, 2017 in Madrid, Spain. (Photo by Julian Finney/Getty Images)
MADRID, SPAIN - MAY 06: Madison Keys of USA in action in her match against Misaki Doi of Japan during day one of the Mutua Madrid Open tennis at La Caja Magica on May 6, 2017 in Madrid, Spain. (Photo by Julian Finney/Getty Images)