French Open: Defending champion Alcaraz labors into fourth round
The second-seeded Spaniard had never before played Dzumhur, a 33-year-old Bosnian who had never been past the third round at any major tournament
The second-seeded Spaniard had never before played Dzumhur, a 33-year-old Bosnian who had never been past the third round at any major tournament