MADRID, SPAIN - MAY 08: Hugo Dellien of Bolvia in action against Kei Nishikori of Japan during day five of the Mutua Madrid Open at La Caja Magica on May 08, 2019 in Madrid, Spain. (Photo by Julian Finney/Getty Images)
MADRID, SPAIN - MAY 08: Hugo Dellien of Bolvia in action against Kei Nishikori of Japan during day five of the Mutua Madrid Open at La Caja Magica on May 08, 2019 in Madrid, Spain. (Photo by Julian Finney/Getty Images)