Ten Bob Tony landed yet another shock in the Queen Anne Stakes (G1) as he overhauled front-runner Opera Ballo to win the opening race of Royal Ascot at 59-1 in North American pari-mutuel pools.

The leading five positions in the National Thoroughbred Racing Association Top Thoroughbred Poll remain unchanged following a relatively quiet week of stakes action in North America without any grade 1 or grade 2 races.

Daryz and Ombudsman have been declared for a blockbuster clash in the June 17 Prince of Wales's Stakes (G1) at Ascot Racecourse.

This week's edition of The List looks at the race for top stallion honors after the Triple Crown.

Affirmed Stakes

OHBPA Queen's Derby

NDTA Sponsored Race Stakes

San Juan Capistrano Stakes

Tom Ridge Stakes

The high-class, group 2 winner Green Sense topped the Goffs London Sale in Kensington Palace Gardens June 15 and was signed for by Brittany Linton, chief executive of U.S. outfit Boyd Racing.