Gainesway Farm and Andrew Rosen's Luster cruised easily to a 5 1/2 length win in the 71st Woodbine Oaks, punching her Plate ticket.
Vina Arana (IRE) cruised to an easy win, while G T Five Hundred scored an upset and another big win for trainer Dale Desruisseaux on the day.
Domenic Dilalla's Highwaytothemoon, trained by Dale Desruisseaux, answered some questions as he won the Plate Trial at 1 1/8 miles.
There were five stakes races at Assiniboia Downs last week including the Derby Trial and a smashing score by Judo.
With no standout for the 167th King's Plate, owners and trainers filled the entry box for the Plate Trial on Sunday.
The remarkable Rebel's Romance, who just won the Princess of Wales's Stakes last week, has been retired at age eight.
Multiple champion Big Hug posted a new top Beyer Speed Figure in her 13-length win at Century Mile last week.
The 71st Woodbine Oaks will be run Sunday, July 19 and trainer Josie Carroll is going for her fourth win in the big filly race.
New investment strengthens breeder incentives and provides increased race purses to support owners and racing participants.
The Uncle Mo two-year-old became the latest stakes winner for Hoolie Racing and trainer Barbara Minshall, taking the Victoria Stakes.
A field of five or six is expected for the $500,000 Woodbine Oaks on July 19 at Woodbine; the Plate Trial is also on tap.
Sunday's stakes races at Woodbine are for two-year-olds and there are some promising young ones in both races.
Hastings racecourse closed down and keen trainers had to race elsewhere. Edgar Mendoza came to Woodbine and won big on July 4.
The 14-race series of stakes races is restricted to horses foaled in New York or Canada and is worth $3.2 million in total purses.
The Woodbine Oaks is in less than two weeks and a small group of fillies are set to try for the $500,000 purse.