Aidan O'Brien took the Queally Group Naas Irish EBF Naas Oaks Trial for the third time in five years as Key To My Heart turned feature race at the County Kildare track into a procession.

One of three runners in the Listed race for the Ballydoyle handler, Donnacha O'Brien's mount tracked the pacesetting Furiosa before kicking clear off the home turn.

The 7-1 chance kept on well up the straight and crossed the line two and three-quarter lengths clear of Bloomfield

Stablemate Butterscotch put her experience to good use in the House Of Finance Supporting Kildare Chamber Irish EBF Fillies Maiden.

The mount of Seamie Heffernan travelled smoothly into the lead after halfway and was never in any danger as she justified 5-6 favouritism by five lengths from Dawn Hoofer

O'Brien completed a treble when Pocketfullofdreams (9-10fav) landed the odds in the Irish Stallion Farms EBF Fillies Maiden under the trainer's daughter, Ana, by an easy four and three-quarter lengths from Breeze

There was a double for Mick Halford and Shane Foley who successfully teamed with Yulon Xionghu (2-1) in the Sallins Parish Maiden.

Soon out in front, the son of Raven's Pass had to see off the challenge of 11-8 favourite Conversely at the business end but did so with a length and a half to spare.

Halford and Foley were on the mark again in the Two-Mile-House Parish Handicap as Claregate Street (5-1jf) denied the strong finish of Future Frontier by three-quarters of a length.

Andrew Breslin has struck up a good partnership with Polly Douglas (7-1) and the pair followed up their victory at Ayr with a comfortable triumph in the Naas Parish Handicap.

Kieran Cotter's charge was always travelling well for the 7lb claimer and forged clear of main rival Aspen Belle a furlong from home to record a winning margin of a length and three-quarters.

Adrian Keatley's The Mcgrenornator (5-1) thwarted the late charge of Nothing To Lose by a neck to land the Denis Byrne Memorial Apprentice Handicap.