Zakharov and He through to semi-final

It was a frustrating night for several of the world's best divers, with Germany's Stephan Feck forced to withdraw shortly after he completely bombed his second dive, almost jumping at right angles before landing flat on his back.

Venezuela's Edickson Contreras Bracho was left in tears after his second penalty for aborting a dive, while even China's Qin Kai was not immune, relinquishing the lead after he drew scores of 3.5 for his mis-timed penultimate effort.

Until then Great Britain's rising star Jack Laugher had not made a major mistake, despite being well below his best, but slipped off the board on his final effort and failed to complete the dive.

Only Feck and Contreras Bracho were behind the teenager in the standings.