A 1-18 to 3-7 victory gave O'Dwyer an impressive sixth consecutive provincial winners' medal.
The most impressive winner of the afternoon was North-East junior champion Michael Threadgill.
Trevor Francis's team, impressive winners at Nottingham Forest on Saturday, have moved to within six points with a game in hand.
By this time in most years, there have been two or three impressive maiden winners.
Lukas may also start Kentucky Jazz, an impressive winner of an allowance race on the Derby card.
The favourite for the race was the unbeaten Dancing Brave, the impressive winner of the 2000 Guineas.
The most impressive juvenile winner at the meeting was Easy Goer, an Alydar colt who will try to make a name for himself this fall.
Purge, an impressive winner of the Peter Pan at Belmont 10 days ago, may be the most eagerly anticipated entry to the field.
He was an easy and impressive winner, earning himself top rating in the British Free Handicap.
In 2006, El Segundo was an impressive winner.
