ASCOT, ENGLAND - JUNE 23: William Buick riding Rare Rhythm win The Duke of Edinburgh Stakes on day 4 of Royal Ascot at Ascot Racecourse on June 23, 2017 in Ascot, England. (Photo by Alan Crowhurst/Getty Images for Ascot Racecourse)
ASCOT, ENGLAND - JUNE 23: William Buick riding Rare Rhythm win The Duke of Edinburgh Stakes on day 4 of Royal Ascot at Ascot Racecourse on June 23, 2017 in Ascot, England. (Photo by Alan Crowhurst/Getty Images for Ascot Racecourse)