Paired with United Touch S, the win marked their second triumph in as many weeks following a spectacular victory in Lyon.
United Touch S
After this third qualifier in France, Gregory Wathelet (BEL) leads the World Cup Western European League standings.
The final Rolex Grand Slam of Show Jumping major of the year was contested by 40 of the world's finest in Geneva.
Canada's Erynn Ballard improves her position to 13th overall going into Saturday's deciding round at the FEI World Cup Final.