Wimbledon title rivals Novak Djokovic and Jannik Sinner will move closer to a blockbuster semi-final showdown if they win their fourth-round ties on Monday as officals blamed human error for an embarrassing electronic line-calling blunder.

Follow live reaction from The Championships as some the sport’s biggest stars, including Sinner, Djokovic and Shelton, advanced in style

As well as Jannik Sinner is playing at Wimbledon at the moment, he doesn’t appear to need much in the way of help.