Atalanta stakes

Last year's champion 2-year-old filly Quadrilateral (GB) (Frankel {GB}) will reappear in next weekend's G3 Atalanta S. at Sandown. Unbeaten through three starts at two including the G1 Fillies' Mile, Juddmonte's Roger Charlton-trained homebred has been third in both outings this year-the G1 1000 Guineas and the G1 Coronation S. at Royal Ascot. Harry Charlton, assistant to his father, revealed that Quadrilateral endured a slight setback after Royal Ascot but is in good form now. "Quadrilateral is heading for the Atalanta S. at Sandown," Charlton said. "She had a sinus...