The seven-year-old daughter of Flying Artie, who won the 1005-metre Group 1 sprint at Royal Ascot two years ago, is looking to bounce back after two unplaced runs to start what will most likely be her final campaign.
After finishing 10th in the Group 3 Palace House Stakes (1005m) at Newmarket on May 2, Asfoora finished last of 12 in the Group 2 Temple Stakes (1005m) at Haydock three weeks later, but Dwyer said she had taken benefit from those runs and will have the blinkers applied this week.
"She's had the two runs back and is certainly much fitter now," Dwyer said.
"She looks well and with the blinkers going on we are hoping she can turn her form around on Tuesday."
Asfoora drew barrier 26 for the field of 26 for the straight-track race that will be run at 12.40am AEST Wednesday.
The other Australian representative is Overpass, who won't be too far from Asfoora at the start after drawing gate 19.
Overpass heads betting at $3.40 from French mare Rayevka (barrier 15), Temple Stakes winner Night Raider (six), defending champion American Affair (18) and Coolmore three-year-old Mission Central (24) the others shorter than Asfoora, who is a $10 chance.