The German rider guided Dominator 2000 Z to win the 410,000 euro finale in Doha, edging Olivier Robert (FRA) and Niels Bruynseels (BEL).
Dressage
The Canadians couldn't catch the US riders; Lindsay Kellock and Sebastien came the closest with a 4th-place finish in the GP for Special.
Normally taking place in May, organizers will increase the number of hours of livestreaming so that everyone can enjoy Royal Windsor online.
The dressage rider's selection for a third year underlines her ability to make Canada proud at the Olympics aboard her partner, All In.
At the National show in Wellington, FL, Naima and I Do Kiss scored an impressive 74.347% after a year away from competition.
Both Youth Championships will be hosted in Germany, with the Youth Jumping in Aachen and the U25 Dressage in Hagen.
The $1,000 bursaries for 14-17-year-olds are to be used for riding lessons, show fees, continuing education and other learning opportunities.
The beloved force of nature was a fierce supporter of dressage and was responsible for developing the sport in Canada.
Personal best scores continued for Brittany Fraser-Beaulieu and All In, while Pia Fortmuller and Freida won the Lövsta Future Challenge.
The Canadian scores 73.319% in the Special; Jill Irving and Arthur place 4th and Diane Creech is 7th riding Chrevi’s Christo.