MADRID, SPAIN - MAY 08: Mikhail Kukushkin of Kazahstan in action against David Ferrer of Spain during day three of the Mutua Madrid Open tennis at La Caja Magica on May 8, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)
MADRID, SPAIN - MAY 08: Mikhail Kukushkin of Kazahstan in action against David Ferrer of Spain during day three of the Mutua Madrid Open tennis at La Caja Magica on May 8, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)