The 17-year-old gelding was in a class of his own, scoring 86.880 to finish well ahead of the field in the FEI Dressage World Cup.
FEI
Jumping, dressage, para-dressage, eventing, driving and vaulting will take place at the German venue; Al Ula in KSA will host endurance.
Members suggest utilising other experienced personnel as part of the decision-making process, as is already done in dressage.
The Brit stole victory from reigning European champion Steve Guerdat of Switzerland in the eight-horse jump-off in Italy.
The Israeli rider and Gemma W were 2nd in last year's World Cup class here; top Canadian was Vanessa Mannix riding Carmela Z, who placed 4th.
Hot off their Pan Am Games gold medal, the two Americans took the Royal features; plus you can now wager on Saturday's World Cup class!
The leaders hold fast to their spots at the top of the leaderboards, while others have made significant leaps up the world rankings.
The Belgian rider rode Bond Jamesbond de Hay to victory in the third leg of the Longines FEI Jumping World Cup Western European League.
The German rider took the second leg of the FEI Dressage World Cup Western European League with a winning score of 83.415%.
Team Mexico will be first up as nine teams vie for medals and Olympic berths; Beth Underhill and Nikka Vd Bisschop will be the pathfinders for Canada.