A mammoth afternoon session between Wu Yize and Mark Allen saw the longest frame in World Championship history completed.

The afternoon session at the Crucible concluded with a bizarre 14th frame, which saw a cluster of eight reds jammed around a black on the edge of the pocket.

It resulted in a lengthy stalemate which passed without a ball being potted and included referee Marcel Eckardt asking the Crucible crowd to settle before Allen eventually fouled the black.

A gruelling frame was completed in one hour and 40 minutes – the longest in World Championship history – leaving the pair tied at 7-7 overnight as the session ended two frames short.

Allen knew he had to hit the ground running after trailing 6-2 overnight to an opponent high on confidence and belief.

The Northern Irishman dug deep to win a scrappy opener with Wu failing to make the most of getting in among the balls before ending on 32.

What followed next was extraordinary with a frame of ebb and flow lasting over an hour.

Wu racked up a 51…