As stablemate Coruscate did a week ago, Esperance has capitalised on an interstate switch to score an upset Rosehill victory over odds-on favourite Fiteuse.
The John Thompson-trained Fituese has made it five wins from seven starts with her first black-type success in the Listed Denise's Joy Stakes at Rosehill.
Tough four-year-old Quackerjack has earned a ballot exemption for the Doncaster Mile with a gutsy victory in the Group Two Villiers Stakes at Randwick.