Luxembourg's Victor Bettendorf claimed a spectacular victory aboard Encore Toi du Linon as the Tour prepares to continue in Monaco.
The Belgian rider edged 39 other competitors with a double-clear effort on Katanga v/h Dingeshof to take the €204,600.00 winner's share.
Riding Bonne Amie, the Belgian rider and his lightning-fast mare were speediest over two rounds to win the €1.25 million class.
Riding Ermitage Kalone, the Belgian rider bested a field of 40 to take the €101,838 winner's share of the pot.
The Dutch rider bested a star-studded field of 40 in the €500,000 Longines event in the resort town on the French Riviera.
The young Belgian rider piloted his equally young horse to his first 5* GP win; Canada's Mario Deslauriers is 12th riding Bardolina 2.
The 2023 Championship title has become a three-man race as the LGCT galloped into historic Circus Maximus in Rome.
The 16-stop tour includes a brand new destination - Riesenbeck - and a significant increase in prize money.