Master Beveled is the only possible British runner in Sunday's AIG Europe Champion Hurdle.
David Evans left his 10-year-old in the Leopardstown contest today, whereas Nicky Henderson withdrew Bacchanal, Blue Royal and Katarino.
Aidan O'Brien's Istabraq heads seven acceptors for the Grade One event which he has won in each of the past two years.
The trainer has also confirmed Theatreworld and juvenile Yeoman's Point for the race, in which Istabraq will be bidding for revenge over his shock Fairyhouse conqueror Limestone Lad.
And O'Brien said: "At the moment all three could run. Charlie Swan will ride Istabraq, Conor O'Dwyer is booked for Yeoman's Point and Tommy Treacy will be on Theatreworld if he runs.
"Theatreworld ran in the Ladbroke only recently _ if I am happy with him later in the week he will take his chance.
"They are all in good form and they will all do a canter tomorrow morning."