Brazil’s Stephan de Freitas Barcha and Chevaux Primavera Imperio Egipcio earned the individual gold in a hard-fought final.
The three team qualifying spots for the Paris 2024 Olympic Games went to the USA, Canada and fourth-placed Mexico.
There were some surprises as the USA is relegated to fifth, with Brazil and Colombia leading the field going into the Team Final tomorrow.
Seven teams took to the International Ring at Spruce Meadows for this long-standing, hard-fought team event in front of a sold-out crowd.
Millar sets a record as the first competitor to ever win all four major Open Jumper events at the back-to-back Ottawa Summer Tournaments.
Veteran Mac Cone placed second aboard Con Couleur, while 13-year-old Mathilde Candele was third with Disco de Pleville.
As the North American league series concludes, the USA and Mexico have secured spots in the Longines Nations Cup Final in Barcelona.
The international squad of Amy Millar, Jessica Mendoza and Caroline Mawhinney rode for the the Kevin Babington Foundation.
Bertram Allen (IRL) and Emmylou win the Sunday feature at WEF in a starting field of 44 with a 10-horse jump-off.
Bertram Allen (IRL) topped a large international field in the CHF75,000 CSI5* WEF Challenge Cup Round 5 riding Pacino Amiro.