Raven's Pass won by 1¾ lengths in his first race on such a surface. Curlin had never raced on it, either, and he wound up fourth as the 4-5 favorite.
Raven's Pass ran 1¼ miles in a track record 1:59.27 under Frankie Dettori to give European-based horses their fifth victory Saturday at the season-ending championships.
Sent off at 13-1 odds, Raven's Pass paid $29, $15.80 and $8.
Henrythenavigator, also based in Europe, returned $22 and $11.20, while Tiago was another three-quarters of a length back in third and paid $7 to show.