Roger Federer of switzerland plays in Quarter-finals match against Thiem of Austria in the Mutua Madrid Open at La Caja Magica in Madrid on 10th May, 2019. (Photo by Juan Carlos Lucas/NurPhoto via Getty Images)
Roger Federer of switzerland plays in Quarter-finals match against Thiem of Austria in the Mutua Madrid Open at La Caja Magica in Madrid on 10th May, 2019. (Photo by Juan Carlos Lucas/NurPhoto via Getty Images)