Fuisse pounced late to take the Prix du Moulin at Longchamp in a blanket finish, with hot favourite Paco Boy an unlucky fourth.
Richard Hughes tried to find a gap on the inside on Richard Hannon's star, but found himself trapped with nowhere to go as the race unfolded through the closing stages.
Godolphin's Rio De La Plata just caught Siyouni with yards to go, but there was still time for Stephane Pasquier to deliver the winning thrust on Criquette Head-Maarek's Fuisse.
