Five-set tennis is under attack. Killing it would be a colossal unforced error | Andrew Lawrence

Five-set matches are physically punishing, occasionally absurd and increasingly under threat. They also produce much of what makes grand slam tennis greatTuesday night’s quarter-final match between Ben Shelton and Carlos Alcaraz had everything a US Open spectacle could ask for: huge stakes, knife-edge drama, top-shelf competition and an American hero who comes through in the end. The only fault to…