A last start Balaklava winner and being under the care of Morphettville Jon O'Connor Great Leveller led all the way.
The Flemington stable of Tom Dabernig and Ben Hates were all smiles when the two-year-old Biscayne Bay won the Group 3 SA Sires' Produce Stakes which was run over 1400 metres.
Having the services of Damien Oliver Biscayne Bay came from well back with a strong run over the concluding sages to enter black-type company.
Anxious patrons were treated to a spine tingling finish when Going Gaga won in a tight finish in the benchmark 82 1400 metre third race.
Coming out of the Murray Bridge stable of Mick Kluske and having the services of Damian Lane, Going Gaga worked its way into the race from a rearward position.
Jockey Jason Holder brought up the first victory for the local riding brigade when he guided Midnight Storm to victory in the 1200 metre fourth race which commenced racing on the main track.
Jointly prepared by Leon Macdonald and Andrew Gluyas, Midnight Storm came from a better than midfield position to bring up win seven from forty starts.
Coming off a last start fourth at Gawler, Brazen Brando returned to the winner's list when he took out the 1050 metre benchmark 64 handicap, the fifth race.
Ridden by Victorian apprentice Ben Allen the Phillip Stokes prepared Brazen Brando was well placed.
Damian Lane rode his second winner for the day when Reynolds took out the 1800 metre sixth race.
Prepared at Murray Bridge by Michael Hickmott, Reynolds kept his good form intact when he came from a better than midfield position to register his third Australian win.
The three-year-old Explosive Jack proved himself to be a real derby specialist when he took out his third derby in the Group 1 SA Derby which was run over 1500 metres.
Prepared by the co-master trainers Ciaron Maher and David Eustace the John Allen ridden Explosive Jack came from a better than midfield position to easily dispense with his rivals.
Todd Pannell landed his eighty-fourth winner for the season when he guided Cherry Tortoni to a win in the listed Adelaide guineas which was contested over 1600 metres.
Trained at Plumpton by Patrick Payne, Cherry Tortoni was one of the first out of the barrier before settling midfield and going on to record a stakes win.
Port Augusta trainer Brenton Jones was well pleased with the win of Trygve in the benchmark 82 handicap which was run over 1100 metres.
Having the services of apprentice Alana Kelly Trygve came from well back to win.