By Shrivathsa Sridhar LONDON (Reuters) -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.

Carlos Alcaraz continues his winning streak as he defeats Jan-Lennard Struff in four sets at Wimbledon.

Carlos Alcaraz overcame a shaky display to beat Jan-Lennard Struff 6-1, 3-6, 6-3, 6-4 and keep his Wimbledon title defence alive.

Portuguese tennis players Francisco Cabral and Nuno Borges were given permission to stray from Wimbledon’s strict all-white dress code to honor the late Liverpool and Portugal soccer star Diogo Jota,

Portugese tennis player Francisco Cabral wore a black ribbon on his shirt at Wimbledon on Friday in tribute to his compatriot Diogo Jota.

It took only seven points before the first forlorn shout of "C'mon Pedro" was warmly applauded by a Centre Court crowd who had already seen enough to know that Jannik Sinner was in for an easy Saturday afternoon at Wimbledon.

Jannik Sinner continued his cruise through the Wimbledon draw as he brushed aside a hampered Pedro Martinez to reach the last-16. It was a case of the calm after the storm on Centre Court, which had been at fever pitch on Friday night for Emma Raducanu’s thrilling showdown with Aryna Sabalenka.