The world number one piloted Bingo Ste Hermelle to grab a spot in the LGCT Super Grand at the GC Playoffs in Prague in November.
Saturday's feature Grand Prix at TIEC attracted a large international field, was interrupted by a storm and wrapped up Sunday morning.
Canada misses the cut for the Team and Individual Finals; Brittany Fraser-Beaulieu and All In log best score for the team.
Two great rides on Sunday from Dorothee Schneider with Showtime and Isabell Werth with Bella Rose secured the pole position.
Two athletes scored personal-best efforts, including leader of the day Jessica von Bredow-Werndl (GER) riding TSF Dalera.
A total of 70 horses were presented, with two held over for re-inspection tomorrow morning, when competition starts with the Grand Prix.
Many top international riders used this iconic show in France as a springboard to Tokyo, including the winning French rider.
The grand finale of the CSI5* was the perfect tune-up prior to the Olympics for Brash (GBR) against a tough international field.
Irish rider Conor Swail and Vital Chance win the class during the Split Rock Jumping Tour; Mark Bluman (COL) 3rd with Noortje Vd Windheuvel.
The 1.60m Grand Prix at Hubside in Saint-Tropez ‒ the first outdoor CSI5* in Europe this year ‒ saw a big win for the Swiss rider.