LONDON — This most unpredictable of Wimbledons delivered yet another surprise Friday when reigning Australian Open champion Madison Keys, the No. 6 seed, was a lopsided loser in the third round, eliminated 6-3, 6-3 by 104th-ranked Laura Siegemund of Germany.

Siegemund's Wimbledon stunner also beckoned a career first for the German tennis player at the All-England Club.

Carlos Alcaraz kept his Wimbledon three-peat campaign chugging along by beating Jan-Lennard Struff 6-1, 3-6, 6-3, 6-4 on Centre Court to reach the fourth round

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

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.

Novak Djokovic expressed pride in his performance Thursday, telling the crowd he "executed perfectly" in a 107-minute sweep of Daniel Evans, which helped him advance to Wimbledon's third round a record 19th time.

Seven-time champion Novak Djokovic moved into the third round at Wimbledon for a record 19th time with a 6-3, 6-2, 6-0 victory against home favorite Daniel Evans on Thursday in London.

Novak Djokovic defeats Dan Evans in 6-3, 6-2, 6-0 to advance to the third round at Wimbledon.