Despite his defeat English Prince was then moved up in class and distance for the Group Three White Rose Stakes over ten furlongs at Ascot Racecourse in May.
In the Predominate Stakes (usually a trial race for the Epsom Derby) over a mile and a half at Goodwood Racecourse later that month he won again, beating Live Arrow by six lengths.
[3] Nine days after his win at Ascot, English Prince was sent to Ireland to contest the Irish Sweeps Derby at the Curragh with the French champion Yves Saint-Martin taking over the ride from Eddery, who was serving a suspension.
Roger Hue-Williams' Imperial Prince, runner-up to Snow Knight in the Epsom Derby, started favourite ahead of the French-trained colts Caracolero (Prix du Jockey Club) and Mississipian (Grand Critérium) with English Prince fourth in the betting at odds of 8/1 in a field of thirteen which also included the Irish 2000 Guineas winner Furry Glen.
He looked impressive before the race and started favourite, but after taking the lead in the straight he proved no match for Bustino and was beaten four lengths into second place.
[3] There was no International Classification of European three-year-olds in 1974: the official handicappers of Britain, Ireland and France compiled separate rankings for horses which competed in those countries.
In 1982 his three-year-old daughter Prince's Polly won the Irish 1000 Guineas (beating On The House), whilst his four-year-old son Evzon took the Queen's Vase at Royal Ascot.