MADRID, SPAIN - MAY 05: Petra Martic of Croatia in action against Garbine Muguruza of Spain during day two of the Mutua Madrid Open at La Caja Magica on May 05, 2019 in Madrid, Spain. (Photo by Julian Finney/Getty Images)
MADRID, SPAIN - MAY 05: Petra Martic of Croatia in action against Garbine Muguruza of Spain during day two of the Mutua Madrid Open at La Caja Magica on May 05, 2019 in Madrid, Spain. (Photo by Julian Finney/Getty Images)