Nayef was a decisive winner over eight other Group 1 winners in a high-class renewal of the $587,000 Prince of Wales's Stakes Wednesday at Royal Ascot, as Dubai World Cup winner Moon Ballad weakened to finish ninth of 10.
Earlier, Gary Stevens rode 20-1 shot Membership to victory in the Group 3 Jersey Stakes to record his first win at this year's Royal Meeting and the fourth of his career.