The Shadwell-owned Hukum displayed a tremendous attitude when edging out Westover in a thrilling renewal of the King George VI And Queen Elizabeth Stakes at Ascot this afternoon.

William Muir and Chris Grassick’s Pyledriver is preparing for a defence of his Group 1 King George VI and Queen Elizabeth Stakes title in July and may use the Group 2 Hardwicke Stakes as a warm-up.

William Muir insists Martin Dwyer will keep the ride on King George VI And Queen Elizabeth Stakes winner Pyledriver once he returns from a knee injury.

Reigning champion Adayar will miss the defence of his King George VI And Queen Elizabeth Qipco Stakes crown having been taken out at the latest scratching stage.

The 7-year-old challenger from Japan, crossed the finish line a distant sixth as Enable became the back to back winner.