The Israeli rider and Gemma W were 2nd in last year's World Cup class here; top Canadian was Vanessa Mannix riding Carmela Z, who placed 4th.
The US rider struck again at the Royal Horse Show on Friday night; top Canadian was Tiffany Foster, third with Electrique.
The Irish rider rode Ariel Grange's Legacy to win the $150,000 Mad Barn Big Ben International Challenge at the Royal Horse Show.
Hot off their Pan Am Games gold medal, the two Americans took the Royal features; plus you can now wager on Saturday's World Cup class!
The pair were awarded the overall 2023 Canadian Hunter Derby Championship, while a Royal Dressage Showcase also wowed the Royal crowd.
Barker piloted her own Cheers, who is sired by Canadian-owned stallion Cabardino, to the championship title, and Troubador to reserve.
The opening weekend of the Royal Horse Show was an exciting one, with wins for Phillip Dutton and Quasi Cool and Taylor Brooks riding Spectre.
Sam Pegg and Jay Hayes also earn an invitation into the CSI4*-W international division at the Royal Horse Show in Toronto.
The action got underway with the Henry Equestrian Canadian Show Jumping Championship and Mad Barn Indoor Eventing Challenge.
The popular opening weekend feature runs alongside the Canadian Show Jumping Championships at the Royal Horse Show in Toronto.