This marked the third CSI5* grand prix win in past six months for the German; Canada's Beth Underhill was 20th with Nikka VD Bisschop.
show jumping
The final day of the Ottawa Summer Tournaments saw 18 tackle the 1.40m Modified Grand Prix track set by Brazilian Marina Azevedo.
An exciting second round shook up the leaderboard, with the host nation and Olympic champions Sweden finishing seventh of eight.
As week 2 of the Ottawa Summer Tournaments at Wesley Clover Parks gets underway, François and Chanel du Calvaire continue their roll.
The 20-year-old becomes the youngest competitor ever to win the gruelling Derby which over the years has yielded just 24 clears in 730 rounds.
The Albertan rode a pair of homebreds, winning the 4-year-old class with Nacho Libre BF and the 6-year-old class with Lemonade BF.
The New Zealand rider took the victory aboard a fairly new ride; Canadian Erynn Ballard placed 7th with Narcotique V/H Dingenshof.
The victory by the Seagrave, ON, resident closed out the first week of the Ottawa Summer Tournaments at Wesley Clover Parks.
The Saturday feature at Wesley Clover Parks saw just two riders produce clear rounds over the course designed by Marina Azevedo of Brazil.
The Ottawa Summer Tournaments kicked off with the Open Welcome and a win for the Quebec rider with his longtime partner Chanel du Calvaire.