Defending Wimbledon champion Carlos Alcaraz was given another tough litmus test by plucky German Jan-Lennard Struff but the second seed battled his way to a 6-1 3-6 6-3 6-4 victory and reached the fourth round on Friday.
An off-colour Alcaraz had flirted with danger in his five-set opener against Italian veteran Fabio Fognini before mowing down British hope Oliver Tarvet in the last round, begging the question of which avatar
