
Canada's Felix Auger Aliassime returns the ball to Spain's Rafael Nadal during their ATP Madrid Open tennis match at the Caja Magica in Madrid on May 8, 2019. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)

Canada's Felix Auger Aliassime returns the ball to Spain's Rafael Nadal during their ATP Madrid Open tennis match at the Caja Magica in Madrid on May 8, 2019. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)