Sayidah Dariyan landed York’s feature race, the William Hill Summer Stakes, for Richard Hughes and Billy Loughnane.
The three-year-old struck a blow for the Classic generation as she picked up nicely inside the final furlong to beat the slow-starting Nighteyes (7/1) by a length-and-a-half.
The winner was fourth last time out in the Group One Commonwealth Cup at Royal Ascot and a return to top-flight company could be on the cards.
She holds an entry in next month's Coolmore Wootton Bassett Nunthorpe Stakes back at the Knavesmire and is 12/1 with Sky Bet and Paddy Power for the five-furlong showpiece.
Celandine (11/2) was prominent for a long way on her seasonal reappearance and held on for third, with 12/1 shot Arabian Dusk back in fourth.
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