Coral rate Petrushka Europe`s best chance of success at the Breeders` Cup at Churchill Downs on November 4th.
The Barking firm make the Sir Michael Stoute-trained three-year-old their 2-1 favourite for the Filly & Mare Turf.
And connections report the filly to be in good form following her victory in Sunday`s Prix de l`Opera at Longchamp.
Tim Jones of owners Highclere Thoroughbred Racing said today: 'She has come out of the race nicely and has returned home.
'Hopefully we`ll be all systems go now to the Breeders` Cup.
'Obviously we`ve got a month on tenterhooks while we hope to keep her right in preparation for it but so far so good - she`s done everything we could possibly have expected of her.'
Coral spokesman Ian Wassell believes Petrushka is the best chance Europe has of victory in Kentucky following the failure of the trans-Atlantic raiders at the venue two years ago.
'We feel it will again be extremely hard for any of the European challengers to win in the US, especially having drawn a blank as recently as two years ago here at Churchill Downs.' said spokesman Ian Wassell.
'However the likes of Miesque, Arazi and Sheikh Albadou have shown that it is possible and Petrushka must be our best chance, as she is clearly a top-class filly in what is probably the weakest race in the Breeders Cup programme.'
Giant`s Causeway is 4-1 third favourite for the Classic behind Lemon Drop Kid and Kentucky Derby hero Fusaichi Pegasus.
And other notable European challengers include Fantastic Light, 3-1 favourite for the Turf, Arkadian Hero, who Coral make 4-1 second-best in the Mile and Nuclear Debate, a 10-1 chance in the Sprint.
Distaff: 9-4 Beautiful Pleasure, 5-2 Riboletta, 5-1 Heritage Of Gold, 7-1 Jostle, 12-1 Crimplene, Surfside, 16-1 Bar
Mile: 7-2 Hap, 4-1 Arkadian Hero, 9-2 Ladies Din, 6-1 Riviera, 8-1 Affirmed Success, 10-1 Bar, Europeans - 16-1 Bertolini, Diktat, 20-1 Kingsalsa.
Sprint: 7-2 KonaGold, Caller One, 6-1 Forest Camp, 8-1 More Than Ready, 10-1 Nuclear Debate, Trippi, 12-1 Agnes World, Chilukki, 14-1 Reraise, 16-1 Bar.
Filly & Mares Turf: 2-1 Petrushka, 4-1 Perfect Sting, 6-1 Ela Athena, 8-1 Happyanunoit, Mouramara, 10-1 Snow Polina, 12-1 Beyond The Waves, 14-1 Bar.
Turf: 3-1 Fantastic Light, 6-1 Manndar, 8-1 Ciro, Bienamado, 12-1 Ela Athena, Fruits Of Love, King Cugat, 14-1 Mutamam, Down The Aisle, 16-1 Bar. 33-1 Running Stag.
Classic: 9-4 Lemon Drop Kid, 7-2 Fusaichi Pegasus, 4-1 Giants Causeway, 10-1 Behrens, 12-1 Classic Steve, 14-1 Tiznow, Cat Thief, 16-1 Skimming, 20-1 Bar.
