Persian Dreamer remains on target for the Group 1 Cheveley Park Stakes at Newmarket on 30 September.
It will be a return to the Rowley Mile for the Calyx filly, who was an impressive five-furlong victor at Newmarket on debut back in mid-April. She followed up with a fourth in the Listed Marygate Fillies Stakes at York and filled the same position tackling six furlongs in the Group 3 Albany Stakes at Royal Ascot.
The Dominic Ffrench Davis-trained filly bounced back to winning ways in the Group 2 Duchess of Cambridge Stakes at Newmarket's July course and appears ready to step up to Group 1 company.
"She's bang on target for the Cheveley Park, she's in good form and has been ticking over nicely since her win at the July Meeting," said Tom Pennington, Amo Racing's racing manager.
"We couldn't be happy with her and it's all systems go.
"She is better with some juice in the ground and the rain came just in time for her at Newmarket. It was nice to see Tom Ward's filly who was third [Woodhay Wonder] then go and win the sales race the other week, that was a nice boost for the form.
"The form is in the book and she's a high-class filly. If we get some rain and her ground, I'm sure she would be very competitive in a Cheveley Park."
Persian Dreamer is available at 10/1 for the Cheveley Park Stakes.
