The daughter of Danehill Dancer, who runs in the colours of Peter Winkworth, set out to make all under Neil Callan and found only La Pomme d'Amour too good in the closing stages, going down by two lengths.
Roger said: "Again Shimmering Surf has done us proud and put up another solid performance. She is versatile regarding ground and has done nothing wrong all season. There was just one too good today."
It was a case of close but no cigar for the Varian runners at the Shergar Cup. Ittirad finished a close second in the 1m4f contest while Boogie Shoes returned to form with a good third in the mile and Steps put up another good effort to be fourth in the Dash.