MADRID, SPAIN - MAY 10: Ryan Harrison of USA plays a backhand in his match against Nick Kyrgios of Australia during day five of the Mutua Madrid Open tennis at La Caja Magica on May 10, 2017 in Madrid, Spain. (Photo by Julian Finney/Getty Images)
MADRID, SPAIN - MAY 10: Ryan Harrison of USA plays a backhand in his match against Nick Kyrgios of Australia during day five of the Mutua Madrid Open tennis at La Caja Magica on May 10, 2017 in Madrid, Spain. (Photo by Julian Finney/Getty Images)