West Coast (7/2) showed improved form when making all in the Irish Stallion Farms EBF Fillies Maiden.
Aidan O’Brien’s filly bounded clear in the final furlong to account for the 15/8 favourite Perfect Thunder by three and three quarter lengths with Esculenta (5/1) back in third.
Previously third at Dundalk, the grey daughter of Kodiac had finished behind today’s placed horses on her debut at Punchestown last month.
Winning rider Seamie Heffernan said: “To be very honest I couldn't see her getting beaten on either of her last two runs but maybe she was greener than I thought or maybe I just gave her two bad rides.
“I was on the best filly in the race, and she's genuine, so I just let her rip along.
“I think I gave her two bad rides and I have to be critical of myself or else I won't keep going.