The bookies were given a bashing at Roscommon as Secretsubstitute landed a major gamble in the sportingbet.com Maiden Fillies' Stakes.
Sent off at 10-3 after opening at 10-1, the High Chaparral colt justified the market support in style as he kicked clear two furlongs out and stayed on strongly to hold the fast-finishing Sportsmaster with a length to spare.
Aidan O'Brien's Long Live The King (9-4fav) could only manage a disappointing seventh.
The layers were on the receiving end again in the next race as Dearest Girl who was punted into 7/2 from 8-1, justified favouritism in the first division of the Connolly's Red Mills Horse Care Cubes Handicap.
Fran Berry sent his mount to the front with a furlong to go and the daughter of Galileo pulled clear to record a length-and-a-half verdict from Melodie D'Amour
The second division saw Leah Claire (5-1) stick to her task gamely and pass the post half a length ahead of Miranda's Girl with 7-2 favourite Gold Mirage back in third.< Ravissante (16-1) made up for lost time with a comfortable success on her belated racecourse debut in the opening Irish Stallion Farms E.B.F. Fillies Maiden
The Tracey Collins-trained four-year-old was always in command after galloping into the lead early in the straight and was eased down for a two-length success ahead of runner-up Adatara
The most impressive Flat performance of the night came from Bat Masterson (7-1), a three-length winner of the C & F Green Energy Handicap.
Noel Meade's charge put the race to bed with an impressive turn of foot over a furlong out, ensuring the chasing Music On D Waters and Hangar Five had to settle for place money.
The bookies were given some respite as Maya Quest sprang a 25-1 surprise in the Kepak INH Flat Race, making a mockery of his odds as he crossed the line five and a half lengths clear of silver medallist Cairdin while Information (16-1) was a convincing seven-length scorer from Doc O'Donnell in the Frank Hannon Memorial Handicap Chase.
