This Mutua Madrid Open reminds us clay-court tennis can be a punishing experience. Felix Auger-Aliassime made a Masters mark after Jiri Lehecka’s painful exit from today’s Madrid semifinals. World No. 35 Auger-Aliassime advanced to his maiden Mutua Madrid Open final and first Masters 1000 final when Lehecka retired from their semifinal suffering apparent back spasms. “Sorry for you Jiri, you’ll […]