The Michael Clements-trained favourite Big Hearted held out fellow Australian-bred Rocket Star in in the Inglis Ready2Race Sales Stakes over 1000m on the back of a solid debut victory on April 26.
He was the only 2YO with racing experience in the opening leg against 11 unraced rivals.
Big Hearted, a first crop son of dual G1 winner Hallowed Crown, was sold for $120,000 at the 2018 Melbourne Premier Yearling Sale.
The second leg of the series is the Thoroughbred Breeders Australia Centenary Stakes on 9 June followed by other legs on 21 June and 7 July before the $S250,000 Aushorse Golden Horseshoe Final over 1200m on 19 July.
Australian-breds landed a stakes double in South Africa on the weekend with wins by Roy’s Riviera and Being Fabulous at GReyvile on Saturday and Turffontein on Sunday.
Roy’s Riviera became the eighth stakes winner for his Australian sire All Too Hard with a gritty performance to win the Listed East Coast Cup over 2000m at Greyville for trainer Frank Robinson.
Being Fabulous flew the flag for the late High Chaparral (129 stakes winners) in the Listed Syringa Handicap over 1600m at Turffontein.
Both are graduates from Magic Millions sales.
Roy'S Riviera was sold to World Wide Bloodstock for $70,000 at the 2016 Gold Coast Yearling Sale while Being Fabulous was knocked down to Kerry Jack Bloodstock for $75,000 at the 2015 National Weanling Sale.
Other Australian-bred winners on the Turffontein program were the 4YO Foxwedge mare Infamous Fox and Shadwell Stud’s 2YO Stratum colt Ashbaal, a $460,000 purchase from last year’s Australian Easter Yearling Sale.