Four semi-finals of the Group 3 Dapto Maiden (520m) will be run on Thursday night.
Melinda Finn-trained Winsome Prince comes in as the fastest qualifier following last week's heats after posting an impressive 29.77 seconds last Thursday.
The well-bred son of Barcia Bale and Winsome Shiraz will come from box five in the third semi, after stepping beautifully from the four alley last start to win by 7½ lengths.
Whittaker, Julie Fletcher's son of Milldean Panther and Mrs Trickett, headlines the opening semi after posting a fast 29.86 in a 14-length romp in the opening heat last week.
The littermate to Wentworth Park track record holder Shakey Jakey, Master Shot, leads the charge in the last of the night's semi-finals.
The red-hot favourite missed the start and found himself in plenty of trouble on the first turn before rocketing home in his heat clocking 30.20.
First semi-final is race five at 8.55pm. The $25,000 final will be on Thursday, August 28.