The Lenebane Stakes carries Listed honours and is the highlight of Ladies' Day at Roscommon.
El Salvador has acquitted himself well in the Ascot Gold Cup and the Curragh Cup but has to concede a massive 18lb to a couple of quality three-year-old fillies.
Just a nose separated Opera Gloves and Bunairgead when they took minor honours in the Naas Oaks Trial, with the reopposing Majenta and Love And Cherish further back, and there should be little to choose between them again.
Qewy also represents the Classic generation, with John Oxx wasting little time in raising his sights after his decisive maiden success.
Home School found only subsequent Railway Stakes hero Sudirman too good at Leopardstown and meets nothing of that calibre in the opening Irish Stallion Farms EBF Maiden at 5.40.
Trikala is a danger if building on her Curragh introduction, where she was a place behind third home Go Placidly, who bids for glory in the Irish Stallion Farms EBF Auction Maiden.
The form of Belle De Crecy's latest Leopardstown second was boosted when the winner went on to fill the runner-up berth in a Listed contest, so Johnny Murtagh's filly will be difficult to hold out in the Property Partners Earley Auctioneers Maiden, in which she takes on smart jumper Prima Vista.
Champion National Hunt trainer Willie Mullins takes on his Flat counterpart Aidan O'Brien when Legal Lyric bids for a treble in the ITBA Western Region Fillies Handicap, with Ballydoyle represented by last Tuesday's Gowran Park winner One True Love.
Elusive Express has had even less time to rest on her laurels and attempts to supplement Friday's Bellewstown triumph in the Supervalu's Roscommon Handicap, while Melanippe is on a hat-trick mission in the Roscommon Herald Handicap, but Paul Deegan's filly is 13lb higher than when her winning spree began last month.